No, I don't own Volo's. I was not interested in the races and only one or two monsters interested me. It was a no purchase for me. Mostly what I am interested in are stats for the Demon Princes and Rulers of the layers of Hell.Do you already own Volo's Guide to Monsters? If not, Monsters of the Multiverse is the easy choice because it gives you almost all the monsters from both Tome of Foes and Volo's.