<P><B>Hundreds of puzzles to give any puzzler's brain a great workout</B></P><P>For those who enjoy putting their mental agility to the test, this book offers a superb collection of many types of puzzle, all crammed into this one volume. There are riddles, lateral thinking problems, mathematical posers, mysteries to solve, and many more. The book not only provides the solutions, but also guides the reader through the thought process leading to the solutions.