Get your brain working with 200 grid-based logic puzzles from the Puzzle Baron! Filled with complex and fun brain teasers that range in difficulty, this book wi

"An imaginative collection of 300 simple substitution ciphers with word divisions, based on the sayings of 30 of the world's greatest thinkers, writers and phil

If you love to spend hours solving cryptograms but can never find enough puzzles to satisfy your craving, then your're going to be delighted to get your hands o

Test your wits with a cryptogram for every day of the year! Start the year with this one: FXA SRZ YNJIJS UC SRZ YZXYUT VOXEEZT AUHI RZXIS XTE TUHIJYR AUHI YUHO.

Cryptograms are substitution codes: every letter in the code is replaced by another. Some hints: Start with the shortest words. Break down long words into prefi