by Franklin W. DixonHardcover details (USA). details (UK). details (Germany). details (Canada). ISBN: 978-1-55709-285-4 ISBN-10: 1-55709-285-0 Grosset & Dunlap · 1966 |
See also: | ||
1989 | Paperback | The Secret Warning (The Hardy boys) |
1938 | Hardcover | The Secret Warning (The Hardy Boys, No. 17) |