persistence of memory     amelia holt at water rhodes Persistence of Memory is the tenth novel by American teen author Amelia AtwaterRhodes and is the fifth novel in her Den of Shadows series Published on December 9 2008 the novel tells the story of Erin Misrahe and her struggles with her alterego Shevaun who is in fact a vampire with whom Erin has a link The novel also mentions a character from AtwaterRhodess previous novel In the Forests of the Night 1999 Alexander the brother of the protagonist Risika The poem by Edgar Allan Poe entitled A Dream Within a Dream is featured in the novel