For DummiesFrom March 1 through April 30, 2010, For Dummies invites customers to join its annual “Dummies Month” celebration, offering a $5 mail-in rebate with a purchase of any For Dummies book or Audio Set (with the price of $6.99 or more).

Along with the rebate, is hosting a special sweepstakes; from March 1 through April 30, visitors can enter for a chance to win an Apple iPad loaded with For Dummies Apps.

If nothing else, you can visit the Snow Leopard for Dummies section to read some helpful tips for Apple’s latest operating system.