Title: The Philadelphia Adventure
First published: March 1, 1992
Description: Vesper Holly has foiled murderers, crossed mountains, and narrowly escaped earthquakes. Now she's home in Philadelphia, where she can relax-until President Ulysses S. Grant asks for her help. The Centennial Exposition of 1876 is about to begin, and luminaries from around the world will be there. But so will Vesper's arch-nemesis, the evil Doctor Helvetius. There's only one person who can thwart his evil plans--Vesper Holly!
Subjects: Juvenile fiction, Adventure and adventurers, Fiction, Vesper Holly (Fictitious character), Adventure stories, Children's fiction, Adventure and adventurers, fiction, Philadelphia (pa.), fiction
Places: Pennsylvania
Time periods: 1876
LC classification: PZ7.A3774 Ph 1990