Some questions on Foam Rolling

[pharma_gal]

I have been trying to foam roll on my own. I want to know if its ok to foam roll the lower back? Some videos that I've watched do them and some caution against using it on the lower back.

Also, what parts of the upper body do you roll out? Im only doing the lats right now but I'm wondering if anyone foam rolls the chest and smaller muscle groups like biceps and triceps. Can you list the parts that you foam roll?

Lastly, any good book on foam rolling? Thanks!