You can search LibrarySearch for print and ebooks. After searching, use the Availability filters on the right to limit your search by format (and more).
You can also find useful print books in computer science and related disciplines in the library stacks within the following Library of Congress call number ranges:
GV1469.15-1469.62: computer games, video games
QA75.5-76.95: electronic computers, computer science
TK7885-7895: computer engineering, computer hardware
ZA4150-4380: computer network resources
You can look for books in other libraries.