This inventive crossword book takes you through the mysterious D-Day crossword incident in the 1940s, where answers to the Daily Telegraph crossword puzzles revealed hints at critical Allied operations. Readers will learn what happened in the scare, the deception plans that were nearly scuppered, and how the key phases of D-Day still went ahead despite security concerns. At the end of each chapter, you'll find crosswords based on clues from the accompanying narrative.

Can you find the clues and solve the crosswords just like the Secret Service and the Allies had to?