Contact
Reach the author
Corrections, media and interview requests, review copies, library and bookstore ordering questions: it all goes to one inbox, and Dan reads it.
contact@thelasttax.com
A few things that help: for corrections, include the page or location and what it should say (confirmed fixes are posted on the errata page). Reviewers, mention where you review and your preferred format. Bookstores and libraries can order both print formats through Ingram by ISBN.