Reddit reviews The Great Big Book of Families

That's awesome, I'm so glad he got to have that interaction! (and kudos to you for stepping back and allowing it to take place!). You might try reading him some books about unconventional family structures as well - I've found that stories can be a great way to normalize situations and things that kids are going through. The Family Book, Who's in a Family?, The Great Big Book of Families, Who's in my Family?, and Families Families Families! are all good ones!

The Great Big Book of Families is so wonderful for showing families of all kinds!

Here We Are isn't totally about families but it does address that there are all types of people in the world.

The Family Book by Todd Parr is also a good one!