A real person reads this address.
This is the address for refunds, downloads that will not open, questions about what is in the books, and anything else. Most messages are answered within a working day.
Agamemnon Media LLC
1914 Thomes Ave, Ste 2 #3428, Cheyenne, WY 82001, USA
It cannot diagnose your car. Nobody here can tell you what the noise is, or whether a quote you were given is fair for your exact vehicle, because that needs somebody standing next to it with the wheels off. The books are written to help you ask better questions at the counter. A shop you trust, and your own owner's manual, come first.
Ray Donnelly is the presenter. The authority in these books is the paperwork they cite, not the presenter. Every entry names its source so you can look it up and check it.