The Secret of the Lost Tunnel
Subtitle: Hardy Boys #29
Publisher: Grosset & Dunlap; Penguin Young Readers Group
Published: 1968
Place of publication: New York
Language: eng
Format: Hardcover
ISBN-13: 9780448089294
Table of contents: title: Double warning; title: The general' s enemies; title: Trouble on the road; title: Spies; title: Retracing history; title: A peculiar professor; title: The search; title: An important lead; title: A trap; title: The missing rifle; title: Pleasanton's Bridge; title: The Cap box; title: Digging for gold; title: A bombardment; title: A shot in the dark; title: An old safe; title: A fresh perspective; title: A final clue; title: The lost tunnel; title: The plantation' s secret