To ISBN or not to ISBN We've got your number... ♦ Thursday, March 17, 2016 ♦ Author: David Loofbourrow 0 2017 To ISBN or not to ISBN We've got your number... What we learned about ISBN that kept us from going crazy - and from making a big mistake. Keep full control of the information about your books. ► OPEN ARTICLE ► ♦ Thursday, March 17, 2016 ♦ Author: David Loofbourrow 0 2017