The Wanderer's Guide to Dragon Keeping revealed that there is more to this world than most of us will ever know. Dragons are here among us, drawing on the power of the Earth and of the humans who believe. The story continues with Once a Wanderer. It's been almost a year since Aubrey Goodknight hatched a dragon in her kitchen. Living with the dragons and her boyfriend Ben on Parandour is a life she could only have dreamed of, but the illusion is quickly shattered with the realization that the evil wizard Troninn is still at large. Aubrey is sent back to Earth to find the legendary Map of Obaru, which controls the portals between the worlds. Her search for the connections in the universe brings her closer to the truth about herself. Aubrey must dive into her past to find the key to her future and save her beloved dragons from being destroyed.