Epic Tales from Adventure Time: The Virtue of Ardor

Epic Tales from Adventure Time: The Virtue of Ardor is an Adventure Time novel written by Leigh Dragoon (credited on the cover as T. T. MacDangereuse) and illustrated by Mike Holmes. It was published by the Penguin Group and was released June 28, 2016.

Summary
''Join Flame Princess (also known as Phoebe) as she leaves her home for the city of Confectorium, a Candy Kingdom version of Ancient Rome. Will Phoebe's fire and passion lead her to danger and destruction, or will she find her place in this strange new land? The Epic Tales series, based on an idea from Adventure Time creator Pendleton Ward, features the show's beloved characters in stories inspired by classic pulp novels (with a touch of romance) in a fan-fiction version of Ooo.''