theres a bunch of them out there, and you'll get a different answer form everyone /ubbthreads/images/graemlins/smile.gif, but to help ya out, I'll list a few that I know of. sorry I don't trap cats, so I can't help you with that one.
Carman's foxes by the 100
leget's K9 book
Canine 2000
trapping the brushwolf, yea its a yote book but the concepts are the same for foxes;
any of Charlie Dobbins' books are great.
as for cat books
JC Conners bobcat book would be good
Carl Jones bobcat book
Slm Penderson's books
these should get you headed in the right direction /ubbthreads/images/graemlins/grinning-smiley-003.gif /ubbthreads/images/graemlins/grinning-smiley-006.gif
that will get headed in the right direction /ubbthreads/images/graemlins/grinning-smiley-003.gif.