Vesper Holly is as surprised as her guardian, Brinnie, when she receives a mysterious summons to Central America signed by Alain de Rochefort. Vesper sets sail at once to find de Rochefort and explore the land that she has inherited. On her arrival she makes a terrible discovery – de Rochefort represents the evil Dr. Helvitius, who plans to build a canal on Vesper's land, uprooting the native Chirica Indians for pure profit! Can Vesper overcome the dangers of earthquakes, volcanoes, and the evil doctor in time to save her Indian friends?
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)