Books
Kids
Popular
Authors & Events
Recommendations
Audio
MARBLES: THE BRAIN STORE is in malls across the country. They and their branded products have been featured in Good Housekeeping, Real Simple, USA Today, and Wired, as well as on the Today show and Martha Stewart Living. GARTH SUNDEM is the author of books including Geek Logik, The Geeks’ Guide to World Domination, Brain Candy, Brain Trust, and Beyond IQ. He lives and writes in Boulder, Colorado.
Visit other sites in the Penguin Random House Network
Stay in Touch
By clicking Sign Up, I acknowledge that I have read and agree to Penguin Random House's Privacy Policy and Terms of Use.
Start earning points for buying books! Just for joining you’ll get personalized recommendations on your dashboard daily and features only for members.