1. Get a library card and find out how interlibrary loan works.
2. Start collecting lists of books to read (like you're doing here)
Some of my favorite computer-related books (besides Code Complete and
Don't Make me Think): The Design of Everyday Things
Toward Zero-Defect Programming
Building The Perfect PC (if you're at all interested in the hardware inside) The New Way Things Work (slightly dated but still a highly accurate depiction of how things work at a slightly lower level)
find out how interlibrary loan works.
QFT. Interlibrary load helped me out immensely in grad school. Also 2 more things: my school provided free subscriptions to both IEEE Xplore and O'Reilly Safari, but didn't advertise this anywhere.