American Radio Relay League, Inc., The ARRL Handbook for Radio Communications. Newington, CT: ARRL, revised annually. In addition to the Handbook, a classic in its field, I recommend all ARRL publications on topics that interest you! You can buy their books and training materials through their website at www.arrl.org.
Frenzel, Louis E., Jr., Electronics Explained. Burlington, MA: Newnes/Elsevier, 2010.
Geier, Michael, How to Diagnose and Fix Everything Electronic. New York: McGraw-Hill, 2011.
Gerrish, Howard, Electricity and Electronics. Tinley Park, IL: Goodheart-Wilcox Co., 2008.
Gibilisco, Stan, Beginner’s Guide to Reading Schematics, 3rd ed. New York: McGraw-Hill, 2014.
Gibilisco, Stan, Electronics Demystified ...