The Ultimate Cryptogram Trivia Book: 400+ Encrypted Question Puzzles Across 9 Diverse Categories in Large Print

599 Fun Fact Cryptograms (Untold History Edition), Large Print Puzzle Book for Adults: Decode Amazing Trivia about Lost Moments, Unsung Heroes, Strange Traditions, Historical Mysteries & Everyday Origins

Cryptograms Declassified, 100 Outlandish True Stories Hidden in Code: Uncover Curious Stories of History, Animals, Culture, & Wild Enigmas in this Large Print Puzzle Book

599 Fun Fact Cryptograms, Large Print Puzzle Book for Adults: Decipher Amazing Trivia from History, Space, Science, Sports & Culture

599 Fun Fact Cryptograms (History's Greatest Blunders Edition), Large Print Puzzle Book for Adults: Decode Amazing Trivia about Military Disasters, Political Missteps, Economic Bubbles & Engineering Failures