This is an actual ad that appears in the June 97
issue of Dog Fancy:

Can Your Dog Read? While there is little scientific evidence,
loving dog owners believe that there are many amazing indications
that some dogs may be able to read or recognize words. Send now
for your Dog Reading Fun Kit with eye chart, flash cards,
instructions and diploma. Hours of entertainment for you and your
loving companion. Order additional Dog Reading Fun Kits for gifts.
Mail your check or money order today! $7.95 plus $2 s/h for each
fun kit to: MDA Products, 5339 Prospect Rd #280 San Jose, CA 95129.