Preface: According to the dictionary the meaning of "Hard Nuts to Crack" is "A problem that is challenging to solve". That is exactly what Sam Loyd had in mind when he first created these puzzles. We have included a mixture of over 50 mathematical, word, rebus, drawing and cut up puzzles to test your brain, and you'll find all the answers in the back of the book. We know you'll enjoy solving each and everyone of them. - The Sam Loyd Company
There are over 50 puzzles to be solved. Each page includes a picture clue that you need to use to solve the riddle written below it. Comes with an matching Sam Loyd bookmark!