Multiverse ExplorerTerran man befriends 2 people from another world and is invited to visit them on their world. While there, he develops a close relationship with a juvenile member of an ancient alien race who is not even remotely human, physically, but has a very human personality. Together, the two of them provide a valuable service to their hosts that ends with the Terran being hired to work as an Explorer for the other world. That job leads to an unending series of