It is your life.It is your time. Use it doing what you want.Do you like puzzles? Do you enjoy geometry? Do you seek challenges that require you to think and analyze and scrutinize? Well, this book is for you, with over 150 challenges to keep your mind from itching. I know, I know.You try and try but nothing seems to relieve.Grab a pencil and try to solve some of my challenges.See if that itching doesn't go away.And in its place...
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