Contact Us

We love hearing from our customers!

Please feel free to message us with any comments/suggestions. Our email and phone number is listed below as well for your convenience! 

Address Phone

PO Box 6533
Pasadena, CA 91109-6501

(714) 640-5200 
(888) SDLBACK | (888) 735-2225 
(800) 637-8715


If you would like to use an order form to place your order, you can download the form HERE.

Looking for digital copies of our Hi-Lo™ Books?

You can download a listing of our ebook trading partners HERE.