Most recent titles are available as e-books with the major retailers. We are continually making books available on Amazon Kindle, the Apple iBookstore, Barnes and Noble, Kobo, Google Play, various aggregators to which colleges and universities subscribe, and other partners. Our goal is to make as much of our content available digitally as possible.
Use the search box in the upper right corner of the screen, or the 'Books' link in the upper left to browse.
Each book page on the web site has a link such as this one:
Buy This Book
Click on this link to see what formats are available to add to your shopping cart. You will see a list:
Our shopping cart is managed by our distributor, Ingram. You may notice that the URL for the shopping cart begins with sup.perseusbooks.com, rather than www.sup.org. This is normal.
Fill in quantities and click "Add to Cart". If you are ready to purchase, then follow the instructions on the shopping cart screen to continue your order. You will need to provide an email address, shipping and billing address, and a valid Visa, MasterCard, Discover, or American Express card.
Your items will only remain in your shopping cart during your current browsing session. They will need to be added again if you restart your browser or move to a different browser.
After all of your payment information has been entered, you will need to review and confirm your order. An automatic confirmation email will be sent to the address you provide.