We loved the book as it is a single family experience (a personal story) with great examples: Growing up with Three Languages: Birth to Eleven (Parents’ and Teachers’ Guides) by Xiao-lei Wang, a professor at University of Chicago, see her profile.
Fun and easy to read: The Bilingual Edge: The Ultimate Guide to Why, When, and How Kendall King, Mackey Alison
Simple and general book with practical advice: 7 steps to raising a bilingual child by Steiner.
How Eskimos Keep Their Babies Warm: And Other Adventures in Parenting (from Argentina to Tanzania) an interesting stories of cultures from all over the world that makes you wonder and expand you boundaries how children can be raised.
Third culture kids has told us what challenges parents have growing up their children while being far away from their families and facing other cultures, given us ideas and helpful tips how to move from one country to another.
A movie about language in the US : http://speakingintonguesfilm.info/about/watch-online/
This movie also shows how babies grow on different continents, lots to learn!