Well, in order to learn the secret handshake and get the Certificate of Authenticity, you'll have to complete the 24 week correspondence course.
Other suggested reading is typically The Ethical Slut and Opening Up. Do some Googling and you'll find a plethora of resources. Good keywords are "couple privilege" and "jealousy".
Welcome, good luck, and remember, as the saying goes, There's no one right way to do polyamory, but there are plenty of wrong ways to do it.
Me: 48 - Married, straight, male
Shiela: My wife.
Suzanne: My FWB
Adam: Shiela's LDR