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Quirkundrums
Seriously Amusing


Excruciatingly Challenging Brain Games
for the Super Intelligent


The Cleverest Brain Games on the Planet
With Surprising Answers


If You're So Smart, Prove It!
Amusing Word Games For All Ages


Are You Smart, or What?
A Bizarre Book of Games & Fun for Everyone


So You Think You're Smart
150 Fun and Challenging Brain Teasers


Smart Is As Smart Does
Brain Games to Reveal the Genius in You