Start with high-confidence language humor books, then narrow by subgenre or adjacent topics.
A Hog on Ice
Charles E. Funk
The Prodigal Tongue
Lynne Murphy
Speaking American
Josh Katz
The Mother Tongue
Bill Bryson
Biting the Wax Tadpole
Elizabeth Little
Words From Hell
Jess Zafarris
Talk Southern to Me
Julia Fowler
How to Speak Brit
Christopher J. Moore
The Devil's Dictionary
Ambrose Bierce
Cognitive Linguistics and Humor Research
Geert Brône, Kurt Feyaerts