One note, look for the recent second edition by Eve Rickart without her previous co-author's involvement.

Franklyn Veaux is an abuser who spent years using non-monogamy as an excuse to treat his partners like shit, and a lot of his advice in this book is "ENM means I can do whatever I want".

The number of polyamorous events I've gone to where people have PhDs and other advanced degrees always amuses me. Almost as if people have made a career out of their hyperfixations 😆