0
you add 15702 to the number 4. :3
The ISBN for "Resurrecting Ravana" by Gabriel Rheaume is 978-0-359-15706-2.
In August 2016 the rating was moved from ISO 2 to ISO 1- best there is!
15710
The guideline ISO 9004-2 is already withdrawn by ISO during 2000 version updation. Hence, this question may not be relevant. Regards Vaidyanathan