Grid Logic Puzzles: A Time to Spy - Can you prove your spying prowess by cracking all 50 themed cases? The perfect logic puzzle book for any aspiring spy! The book features 50 brand-new grid-based logic puzzles , 25 at medium level and 25 trickier challenges.You take the role of a new recruit a super-secret spy agency, MI8. Prove yourself in training at the academy in the first 25 puzzles before moving out into the field with a fully-fledged career as a spy in which you must tackle and solve the harder cases. 50 graded grid-based logic puzzles (medium and hard) - Spy-theme running throughout the book - 6x9 book with each puzzle occupying a spread of two pages - Full solutions at the back - Solving instructions - Additional hints available for the hard puzzles We hope you enjoy solving the puzzles in this book. So let's get going - the time to spy is... now!