These textbooks may be sold even though they may say "Free Copy" , "Complementary Copy" ," Instructor Edition" or " Instructor's copy" on them.
Use the specific Instructor edition ISBN or free copy ISBN on the back of the book or the title page for these books . A lesser price may be given if the student edition isbn is used for Instructor editions. This would include Annotated Instructor editions, Instructors editions, Complementary review copies or free copy editions.