Some of my personal favorites applying to guitar, and also applying to life practices that can help your musical journey;

Guitar Related:
"Chord Chemistry" by Ted Greene
"A Chordal Concept for Jazz Guitar" by Peter O Mara
"Encyclopedia for Reading Rhythms" by Gary Hess
"Chord Tone Soloing" by Barrett Tagliarano
"Complete Course in Jazz Guitar" by Micky Baker

Non-Guitar Related:
"Effortless Mastery" by Kenny Werner
"The War of Art" by Steven Pressman
"Outliers" by Malcolm Gladwell
"So, You're a Creative Genious. Now What?" by Carl King