Give us Feedback!
ThinkGeek

Account | Wishlists | Fortunes | Bug Us
1-888-GEEKSTUFF or Live Chat

You're not logged in. Log in
cartLoot: Your cart is lonely

  • SHOP BY CATEGORY
  • SHOP FOR GIFTS
  • WHAT'S NEW
  • OMGWTFUN!
  • GEEK POINTS
  • CUSTOMER SERVICE
  • T-Shirts & Apparel
  • Geek Toys
  • Gadgets
  • Home & Office
  • Computer Stuff
  • Caffeine & Edibles
  • Electronics
  • Geek Kids
  • Books
    • Fantasy & Sci-Fi
    • Techie Humor
    • Techie Non-Fiction
    • View All
    • Clearance
    • TG Exclusives
    • Gift Certificates
  • Geeky email updates
  • geeky email updates
  • Get our catalog
  • RSS feeds RSS
  • Ska House ROCKS!
  • Customer Action Shot
See all the Stuff On Sale

  • Customer Favorites

  • Pocket Ref, 3rd edition

    Pocket Ref, 3rd edition $11.99

  • Book of Secrets

    Book of Secrets $5.99

  • The Office Space Kit

    The Office Space Kit $12.99

  • Real Ultimate Power: The Official Ninja Book

    Real Ultimate Power: The Official Ninja Book $8.99

  • Sneaky Uses for Everyday Things

    Sneaky Uses for Everyday Things $9.99

  • A Girl's Guide to Dating a Geek

    A Girl's Guide to Dating a Geek $13.99

  • The Baby Owner's Manual

    The Baby Owner's Manual $15.99

  • How to Take over Teh Wurld

    How to Take over Teh Wurld $10.99

  • Forbidden Knowledge

    Forbidden Knowledge $10.99

  • Guide to Pirate Parenting

    Guide to Pirate Parenting $11.99

  • The Zombie Combat Manual

    The Zombie Combat Manual $13.99

  • Gallop! A Scanimation Picture Book

    Gallop! A Scanimation Picture Book $10.99

  • See all geek-approved stuff
Books

Home  >   

Why There's Antifreeze in your Toothpaste

Why There's Antifreeze in your Toothpaste

Explaining why antifreeze is a component of toothpaste and how salt works in shampoo, this fascinating handbook delves into the chemistry of everyday household products.$14.99

  • The Complete Manual of Things that Might Kill You
  • Zombie Haiku

View all 74 products in Books

Fantasy & Sci-Fi

Fantasy & Sci-Fi

20 items

Techie Humor

Techie Humor

22 items

Techie Non-Fiction

Techie Non-Fiction

42 items

  • PRODUCTS
  • T-Shirts & Apparel
  • Geek Toys
  • Gadgets
  • Home & Office
  • Computer Stuff
  • Caffeine & Candy
  • Electronics
  • Geek Kids
  • Books
  • Clearance
  • TG Exclusives
  • Gift Certificates
  • GIFTS & INTERESTS
  • Gifts Under $10
  • Gifts Under $20
  • Gifts Under $50
  • Dads & Moms
  • Zombies
  • Gifts for Him
  • Gifts for Her
  • Techies
  • Retro
  • Gamers
  • See All
  • ABOUT THINKGEEK
  • About Us
  • Contact Us
  • Jobs @ TG
  • Our Blog
  • Twitter
  • Facebook
  • YouTube
  • Webcams
  • Volume Purchases
  • Affiliates
  • Press Inquiries
  • Privacy Policy
  • Sitemap
  • ABOUT YOU
  • Account
  • Order Management
  • Your Geek Points
  • Forgot Password
  • Wish Lists
  • Return Requests
  • Address Book
  • Submit Action Shot
  • Submit T-Shirt Idea
  • CUSTOMER SERVICE
  • Contact Us
  • Returns & Exchanges
  • Shipping
  • Accounts
  • Ordering
  • Product Information
  • Size Charts
  • Gift Options
  • Geek Points
  • Newsletter & Catalog
  • Privacy & Security
  • We Has a Fun
  • Take our 46.4 second survey or check our Fortunes File
  • ThinkGeek Tweets:
    On way to @AFISilver for WarGames & spotted @Discovery building, ready for shark week: http://twitpic.com/29uk5q
  • Random Customer Action Shot:
    you can only pick one

© Copyright 1999-2010 - ThinkGeek, Inc. All Rights Reserved.
ThinkGeek is a Geeknet logo Company

ControlScan BizRate Customer Certified (GOLD) Site