I live in California and am attempting to write a how-to book. I need to interview people and have case studies but I am unsure of the legal precautions I must take. I will be using their name and information and I was wondering what kind of lawyer I would talk with. Also is there any general sample agreements out there that I can use as a template for their agreement. I know I have to have them agree to allow me to use thier name and information but I was wondering what language and steps I need to take in order to protect myself from future law suits regaurding that information. I am a new author and I do not have a publisher to cover this kind of information for me. Thanks