Books specifically about adoption have always been sort of a minefield for us—so many of the mass-produced ones are very specific about circumstances, don’t address open adoption, or are weirdly religious (Don’t get me started on the idea that “God wants a birth mom to feel the pain of placement so that my kid can heal my infertile heart.” No.)
Luckily, there are some great quasi-generic titles that work. God Found Us You by Lisa Tawn Bergren uses some outdated adoption language, but babies don’t know when you change words, so we are all good. I really like The Family Book by Todd Parr, because it talks specifically about all the different kinds of families, and is a great starting place for talking about allllllll the people we love, and who love our kids
(Above, I Wished For You by Marianne Richmond is a nice one, but pretty specific.)