You can purchase Take a Hike! A long walk on the Appalachian Trail in paperback format from the following online book sellers. The links below are provided for your convenience. You may also find it at your favorite local bookstore, and if they don't carry it, they can order it for you from their distributors.
Select the image to purchase the book on your favorite bookseller website. The book may also be purchased in the physical bookstores for these booksellers.