LBTN Registration

If you have a copy of LBTN missing no more than one year of updates (e.g., when we are selling the July 2022 version, your book is revised as of July 2021 or later), then it can be updated. Email us with your name, revision date, place of purchase, and approximate date of purchase, and we will let you know what to do to update.

If you have an older copy, you will need to purchase a new book to get current.