I use Mari Kondo's method from The Life-Changing Magic of Tidying Up. You only hang onto things which “spark joy.” This is a catalog of books which sparked joy for me. This is a work in progress... There's a lot of sparkles of joy to get through.

• Cron, Lisa, Story Genius.
• Galilei, Galileo. Dialogue Concerning the Two Chief World Systems.
• Kondo, Marie. The Life-Changing Magic of Tidying Up. See Useless Stuff.
• Le Guin, Ursula K. A Wizard of Earthsea.
• Maguire, Steve. Writing Solid Code.
• Sasaki, Fumio. Goodbye, Things: On Minimalist Living. See Useless Stuff.
• Smith, Steven W. Digital Signal Processing: A Practical Guide for Engineers and Scientists.