Yeah its based upon a book. The movie seems to put a more comedic twist to it, where the book is VERY serious. Its got some pretty hard core racism in it too (lots of N words, black people being beat up, describing how black maids were treated, etc) But its also got some pretty hard core stuff of your 50's wives/husbands/relationships with kids. Drunk cheating husbands, wives who just shut their mouth and take it all while ignoring their children, and kids who grow up hating their parents but loving their maids (which I guess would be like the nannies who spend 24/7 with those kids) But its a pretty good read. Since your from Texas Sheryl you probably get how some of this racism still lives today in the south (Which I know its everywhere, but it was pretty heavy still living in Tennessee)
Anyway, its just really good