Your book list looks comprehensive, out of all of them which one(s) would be best suited to the casual hobby garden but could be used for self sufficiency if the need ever arose?
#1 Mini Farming Self-Sufficiency on 1/4 Acre by Brett L Markham.
#2 The Self-sufficient Life and How to Live It by John Seymour.
#3 The Backyard Homestead edited by Carleen Madigan
All should be available at your library for review before you buy.