The World's 200 Hardest Brain Teasers: Mind-Boggling Puzzles, Problems, and Curious Questions to Sharpen Your Brain by Gary Gruber
English | Aug 1, 2010 | ISBN: 1402238576 | 208 Pages | PDF | 3 MB
For years, numerous people have asked me to write this book after they were intrigued with working on these and similar problems that appeared in the various newspapers and airline magazines I write for. The problems in this book are my best and most interesting selections that will get you to think and increase your creativity. They will also help you develop your intelligence so that you will do better on all standardized tests , including the SAT, ACT, GMAT, LSAT, and GRE. Most importantly, they will give you something to look forward to and enjoy aside from your daily routine.