The Spector from the Magician's Museum (Lewis Barnavelt)

A single drop of blood, a creepy something, a mysterious sorceress--these are the elements that lure Rose Rita Pottinger and Lewis Barnavelt into their most spine-tingling adventure ever. Who would have guessed that the research for their talent show magic act would ensnare these misfit friends in a web of sorcery, vengeance, and spooky creatures from beyond the grave? In all their many perilous pursuits, this may be their most fright-filled ever!.