I am currently illustrating a book for Mr Shaan Sharma a client in LA, the book is called "A Session Director's Guide to Commercial Acting in LA." It will be available fairly soon, but in the meantime I have some cropped preview images right here...
Guaranteed to be a clucking good read.
You'll need some sweet profile shots if you
want to succeed in the commercial world.
It's pretty much the best book ever written.