If you want to go with a print book, one of the best guides around is by David Aurora: Mushrooms Demystified
https://www.amazon.com/dp/0898151694/
Ouch! If I'd had any idea how valuable that book was, I would never have let go of the spare copy I had!
Edited to say: Oops, misspelled his name there! Hey, that was my dog's name; I'm entitled to mess it up! LOL!
