>>...and the women's book was shit like how to fold napkins. 0_o <<

Because we are assumed to know the basics instinctively, or something.

>>if you don't mind shucking a bucket of oysters to get one pearl.<<

Not sure if it counts as a pearl, but _Improve Yor Social Skills_ by Wendler might be good - it was written by someone on the spectrum, for people on the spectrum. I don't remember if it discusses humor tho...