O’Reilly has announced the release of two new books in its popular “Hacks” series. “TiVo Hacks,” by Raffi Krikorian, includes hardware, software, and remote control hacks to help you personalize your TiVo system. “Amazon Hacks,” by Paul Bausch, is a comprehensive collection of tips and tools for getting the most out of Amazon.com. Both titles are priced at US$24.95.