Title: The astral fortress
First published: 1981
Description: When Tom Swift and his crew jump back from the Alpha Centauri system through hyperspace to the Earth's galaxy, they are captured by their arch enemy David Luna and taken prisoner aboard his astral fortress.
Subjects: Science fiction, Children's fiction, Space flight, fiction, Swift, tom (fictitious character), fiction, Boys, fiction, Adventure and adventurers, fiction
LC classification: PZ7.A652 As