For a limited time Kaplan is giving away 130 of its ebooks for free to users of iPads, iPhones, iPods, Nooks, and Sony eReaders. Included in the list of titles are books for most Advanced Placement courses including US History, Biology, Statistics, Calculus, and more. In the list of titles you will also find test prep books for the SAT, GRE, PSAT, GMAT, and other standardized tests. The books have to be download using one the the devices listed on the Kaplan Free eBooks page. This offer expires January 10th so don’t wait to act.

H/T to Open Culture.