Affiliate disclosure: This guide links to History Co-Author, an AI writing kit for narrative history. If you buy through those links, BookPublisherTools earns a commission at no extra cost to you. Puzzle Maker Pro is our own product. I bought History Co-Author (the front end and the History Genre Vault upsell) and read every file in those downloads (the plugins and course weren’t included). I haven’t tested its output or watched its course, so nothing below is a tested result.
Last checked: 4 October 2026.
Military history readers are the toughest audience a puzzle book can have. History Co-Author’s battles kit puts it well when it warns about the wrong unit: “This reader knows a battalion from a brigade and forgives nothing less.” Call Joshua Chamberlain a general at Gettysburg (he was a colonel then) or put a weapon on a battlefield two years early, and you’ll hear about it in the reviews.
That’s also why a carefully made WW2 or Civil War crossword book can stand out. Amazon autocomplete suggests ww2 crossword puzzle book, world war 2 word search puzzle book, world war 2 word search normandy, civil war word search book and civil war puzzle book. Teachers sell Civil War crossword and word search packs on Teachers Pay Teachers. Many of the books on offer are generic trivia, though, and accuracy is the gap.
This guide builds on how to make a history crossword puzzle book, which covers clue writing and the WORD: clue format in detail. Here I’ll focus on what’s different about war topics: what military clues get wrong, where to get facts you can trust, and how to build the book.
Fewer, better books: pick a slant
Since late September 2026, KDP has limited new title creation to two per book format each week (KDP Help: Create a Book; The Bookseller reports it was ten before). A quickly made “WW2 trivia puzzles” book uses a slot just like a carefully researched one, and only the careful one is likely to earn good reviews. So make each slot count with a slant a generic book can’t copy:
- One unit’s war: a single regiment, squadron or ship from first muster to last action, for readers with a family link
- Your state or county in the Civil War: its regiments, its battles, its home front
- The home front: rationing, war factories, evacuees, codebreakers
- The war in their own words: puzzles built around letters and diaries you’re free to quote
A narrow slant is also easier to research properly, and that’s where accuracy comes from.
Step 1: Shape the book around battles and campaigns
A war is too big for one puzzle book section. Split it into battles or campaigns, with 6 to 10 puzzles each:
- A WW2 book: the Battle of Britain, Pearl Harbor, Midway, Stalingrad, D-Day, the Battle of the Bulge, Iwo Jima
- A Civil War book: Fort Sumter, First Bull Run, Antietam, Gettysburg, Vicksburg, the March to the Sea, Appomattox
- A single-battle book: one battle told day by day, for readers who already know the war
Each section gets its own word lists: commanders, units, places, ships, aircraft, operations, dates. Ordering the sections by date gives the book a shape and helps readers follow along.
Step 2: Know what military clues get wrong
Before you write a clue, know where the mistakes hide:
- Unit names. A company, a battalion, a regiment, a brigade, a division and a corps are different sizes. “The 20th Maine” was a regiment. Don’t guess.
- Rank at the time. People were promoted. Chamberlain was a colonel at Gettysburg in 1863 and a general later. Eisenhower became a five-star General of the Army in December 1944, six months after D-Day. Clue the rank they held at the moment you’re describing.
- Dates and times. Many battles lasted days. Gettysburg ran from July 1 to 3, 1863. Say which day.
- Places and spellings. Normandy place names, Pacific islands and Civil War towns often have several spellings, and some battles have two names (Antietam is also called Sharpsburg). Pick one form and use it everywhere.
- Weapons and equipment. Anachronisms are the classic slip. Check that the tank, rifle or aircraft was really there on that date.
And one rule for tone: these were real people, and many died. Write clues with respect. Some subjects don’t suit a puzzle at all, and it’s fine to leave them out.
Step 3: Research with the order of battle in hand
Good military clues come from the same sources historians use: unit histories, official records, after-action reports, letters and diaries. That’s a lot to collect yourself.
Using History Co-Author’s Battles and Campaigns kit
History Co-Author is a set of prompt files for writing narrative history in your own Claude or ChatGPT project. You need a paid AI plan, about $20 a month according to the vendor. The kit built for battles is not in the front end. Battles and Campaigns is one of six kits in the History Genre Vault upsell ($67, or $97 with plugins). The $17 front end (the vendor says $27 after 23:59 EST on Wednesday 7 October 2026) has the general Narrative History kit, which can still tell a war story through the people in it, but without the battle-specific rules.
Here’s what the Battles and Campaigns files add, and why they suit a puzzle maker:
- Five kinds of checkable record, kept in its research file: the order of battle (units, strengths and commanders on both sides); the weapons, with their ranges and rates of fire; the timed record (war diaries, signals logs, after-action reports, dispatches); soldiers’ own words (letters, diaries, memoirs, interviews, with the years between the event and the telling noted); and the terrain.
- Unit names, weapons and times count as facts, so they have to come from the record, the same as a quotation. Its version log says it was built “with the ground, the clock and the order of battle kept exact”.
- A locked names file, so every general, unit and village is spelled one way, which keeps your puzzles and answer key in line.
- 15 narrator voices, if you also want to write the battle as a book.
For a puzzle maker, the order of battle alone is a ready-made source of answers: units, commanders, corps and divisions, all on both sides.
The honest limits: this is AI research, and the vendor’s FAQ says it can’t promise zero errors. Military readers will check your facts, so you should check them first. Use the kit’s research as a list of leads and confirm each clue in a reliable source.
My History Co-Author review covers every kit and upsell.
Sources worth checking clues against
Whatever does your first research, confirm the clue facts in sources like these:
- Civil War: the Official Records of the War of the Rebellion (the armies’ own reports, long in the public domain) and the National Park Service pages for each battlefield park.
- WW2: the US Army Center of Military History’s official histories, national archives such as the UK National Archives and the US National Archives, and museum collections like the Imperial War Museums.
- Unit histories for any regiment, ship or squadron you name in a clue.
When two good sources disagree on a number or a time, leave that detail out of the clue. A puzzle isn’t the place to settle a historians’ argument.
Step 4: Write the clues and build the crosswords
The word list format is the same as for any history crossword: one Word: clue pair per line, with an optional #title: and #secret:.
#title: Gettysburg, July 1-3, 1863
#secret: Gettysburg
Meade: Took command of the Army of the Potomac three days before the battle
Buford: Union cavalry general whose troopers held the ground west of town on July 1
Chamberlain: Colonel of the 20th Maine at Little Round Top
Longstreet: Lee's corps commander who argued against the July 3 assault
Cemetery: ___ Ridge, the Union line on July 2 and 3
Gordon: Confederate brigadier whose Georgia brigade attacked Barlow's Knoll on July 1
The answers need to hold every letter of the secret, each one used once. GETTYSBURG has two Gs, so the list needs two G answers (Longstreet and Gordon). A real puzzle would use a longer list.
Word lists for crossword variations explains the format, including multiple clues per word.
This sample was made with our own script for this article. It isn’t Puzzle Maker Pro or History Co-Author output.
For the crosswords themselves, use Secret Word Criss Cross. It builds a real intersecting crossword with Across and Down clues. The secret strip under the grid can spell the battle or operation name (GETTYSBURG, OVERLORD), which makes a satisfying final answer. To get your own #secret: word, select Use Tagged Word before you generate. The default, Use Random Word, picks a word from your list instead. If you’d rather not have a secret, switch to Letter Hints instead. Not sure which crossword type suits your book? See which crossword variation to use.
Step 5: Add word searches and cryptograms
Most war puzzle books mix types, and buyers search for word searches as often as crosswords.
- Word searches. Standard Word Search takes plain lists. Beaches, operations, ships, aircraft and commanders all make good themed lists. A short “where each word comes from” note turns a word search into a mini history lesson. Put a sentence or two in the puzzle’s description line, or lay the note out next to an exported puzzle in your own layout tool. History word search books that teach covers that format.
- Cryptograms. Easy Cryptograms encodes a short quotation, with an optional description line for the speaker and date. Lincoln’s Gettysburg Address is public domain. For WW2, use primary sources you have the right to quote and check every word against the original.
This one was also made with our own script for the article.
Step 6: Plan for large print and gift buyers
War puzzle books are often gifts for fathers, grandfathers and veterans, many of whom prefer large print. Set the puzzles, clues and answer key in the same comfortable size, use fewer answers per crossword if needed, and keep the clue list on the same page or the facing page. One reviewer threw a book away because “a whole page of clues are printed BACK-TO-BACK from the puzzle grid”. Large-print puzzle books for KDP covers the details.
Step 7: Assemble and publish
Puzzle Book Studio puts your puzzles into titled sections and builds the solutions section. For a war book:
- Front matter: title page, contents, a short how-to-solve page, and a note on your sources.
- One group of puzzles per battle or campaign, in date order, with the battle and dates in each puzzle’s title. Studio merges collections that share a page layout into one section unless the layout is set to start on a new page. If you want a separate titled section per battle, check the preview before you export.
- Answer key at the back, same order, same size.
On editions: Puzzle Book Studio on Creative builds a book from one puzzle collection. A book with several collections needs Productivity. That includes one collection per battle, even if every collection is crosswords, and any mix of crosswords, word searches and cryptograms. A single-collection book, such as one run of Gettysburg crosswords, fits Creative. If you already own the Time Saver bundle or IPB Gold, you have Productivity-level Studio access already. A legacy per-module Time Saver licence gives that access only for its own module. See the editions page. Every paid edition lets you sell the books you make (commercial rights explained). If the first book works, the next war or the next theatre makes a natural series (puzzle book series for KDP).
Your pre-print checklist
- Every unit name is the right size and designation.
- Every rank is the rank held on that date.
- Every date says which day of a multi-day battle.
- Places are spelled one way throughout, and alternate battle names are handled.
- No weapon or vehicle appears before it was in service.
- Quotations are exact, from sources you’re allowed to use.
- The tone is respectful.
- If AI wrote any text, you’ve disclosed it to KDP (content guidelines).
Related guides
- How to make a history crossword puzzle book: the full clue-writing method
- History word search books that teach: pairing short history notes with word searches
- How to write a history book with AI: if you want to write the battle book itself
FAQ
What makes a good WW2 crossword clue?
One checkable fact, with the right unit, rank and date for the moment you describe. “Took command of the Army of the Potomac three days before the battle” is better than “famous general”.
Which History Co-Author kit is for battles?
Battles and Campaigns, which is in the History Genre Vault upsell ($67 or $97), not the front end. It keeps the order of battle, weapons, timings and terrain as checkable records. The front-end Narrative History kit can cover war topics too, just without those battle-specific rules.
Can I make a Civil War crossword puzzle book with the same method?
Yes. The steps are the same. Civil War topics have plenty of public-domain primary sources, such as letters, official reports and Lincoln’s speeches.
Do I need History Co-Author for a military history puzzle book?
No. Careful research from reliable sources works. The kit helps because it organizes the order of battle and other records in one place, which is what military clues need.
Is a WW2 crossword puzzle book a good KDP niche?
People search for it, and accuracy is a real way to stand out. There’s competition, and nobody can promise sales. With KDP’s weekly cap on new titles, one well-researched book with a clear slant is a better use of a slot than several generic ones.
See History Co-Author’s current price and the Genre Vault (affiliate link)