There has been data ("Sexual Fitness: The Ultimate Guide to Pump While You Hump, Tone While You Bone and Shred in the Bed - ISBN-13 978-1-4668-3729-4") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Sun Aug 11 15:59:30 2019, so the data displayed here has been removed .