Spirited Vesper Holly has crossed mountains on camelback and narrowly escaped earthquakes. But even she is surprised when President Ulysses S. Grant appears on her doorstep and asks for her help.
Notables from around the world have come to Philadelphia for the Centennial Exposition of 1876. Also attendance, however, is the notorious, evil Dr. Helvetius. And only Vesper can thwart his most insidious, ingenious, and far-reaching scheme ever...
Lloyd Chudley Alexander (1924–2007) was a widely-influential American author of more than forty books, mostly fantasy novels for children and adolescents, as well as several adult books. His most famous contribution to the field of children's literature is the fantasy series The Chronicles of Prydain. The concluding book of the series, The High King, was awarded the Newbery Medal in 1969.
Map of Prydain. (PDF)