Detailed guides to painful problems, treatments & more


If you have ever paid for access to a tutorial (e-book) on (or even many years ago when it was, you can login with the email you originally provided. You will be sent a link to login with. ~ Paul Ingraham, Publisher


Shopping for more books? Adding to your library? You’re in the right place, because it’s best to login first. Without logging in — if you just go to the books page and place an order — you will still be recognized as a repeat customer by your email but only if it matches. If you login here first, you can buy new books from your account page or the personalized customer information at the top of any of your existing books.

Privacy & Security of this form This login is private and secure: the information you submit is encrypted, used only to search for a matching customer account, and then discarded. The Google privacy popup in the lower-right is there only so I can use their “reCAPTCHA” service to prevent automated abuse of this form.