The Forbidden Fountain of Oz food, which occurs most famously in the "forbidden fruit" of the Tree of Knowledge of Good and Evil in the Book of Genesis, but in other contexts too. The idea of water that purges the drinker's memory is also ancient. In Greek mythology it occurs as the river Lethe: the souls of the dead lose their memories of their earthly lives by drinking its water. The same idea can also be found in Eastern and other literatures, as in the "Well of the Waters of Forgetfulness" and other guises. "The 'Drink of Forgetfulness' is found in Greek, Hindu, Norse, and
The Arm of the Starfish evokes the historical Macrina's scar, which her brother Gregory writes about in his "Life of Macrina". Classical names used in the book include Polyhymnia, the fictional Portuguese island of Gaea, named for a Greek goddess associated with the Earth, and Typhon, the deadliest monster in Greek mythology and the legendary "Father of Monsters." Finally, the names of Kali Cutter and Joshua Archer are significant. Kali is the name of the Hindu goddess of change, power and destruction, while the girl's surname indicates that she and her father have the power to cut (i.e., wound) others, both figuratively and literally. Joshua,