No, ISBN does not change with new printings, in fact the issuing of a new ISBN is what marks a book as a new Edition in publishing terms. The 3E PHB is 9780786915507 as opposed to the 3.5 PHB being 9780786962464, for example, so the 3.5 book was a new typical Edition, but any errata printings will have the same ISBN. Same
Is it a book or is it a game? How do board and computer games work edition numbers?From a rational publishing perspective, we are looking at the 9th Edition of the PHB and DMG based on ISBN numbers (OG 1E, refresh cover, OG 2E, black cover 2E, 3E, 3.5, 4E, 5E and now OneD&D). The MM is slightly more complicated, but still, the idea of "Edition" is such a giant mess in D&D.
Per Google, "US practice is...if the change in cover substantially changes the product (ie, would lead to customer complaints), then a new ISBN should be used."How big can changes be to count as just errata and not something new?
Most RPG companies follow a more standard publishing nomenclature. TSR and WotC have abused the term "Edition" severely enough tonmake it meaningless, which is why they are letting it go live on a nice quiet farm where it will be happy.Is it a book or is it a game? How do board and computer games work edition numbers?
Per Google, "US practice is...if the change in cover substantially changes the product (ie, would lead to customer complaints), then a new ISBN should be used."
FAQs: How Changes Affect the ISBN
ISBN FAQs: Does this change to my book require me to use a new ISBN?www.isbn.org
That might get my dad to try it if we can put it in a pie. I'm not a fan.Rhubarb
That just isn’t accurateOfficially they've never used edition numbers.