#24 The Mystery of Death Trap Mine

By M.V. (Mary Virginia) Carey, 1976
Random House hardbound, 1976.
Hitchcock PB, 1980.
Keyhole PB, 1984.
Back to Original Series page.
Random House Trade and GLB Hardbound Editions

First Printed: 1976
Cover Art: Jack Hearne
Internal Illustrations: Jack Hearne
ISBN's: Trade Ed. 0-394-83321-X; GLB 0-394-93321-4

Trade & GLB Edition First Printing Identifier: 1234567890 numberline on the copyright page.

Other Trade Edition First Printing Traits:
- Glossy cover finish
- Blank white endpapers
- Back cover listing to "The Mystery of the Dancing Devil"

Notes: Along with #27 and #28, this is one of the most difficult Hardbound
Trade Edition titles to find.  Still, it is not a rare book.
Random House Revised Paperback Edition
"Keyhole Cover"

First Printed: 1984
Cover Art: Robert Adragna
Internal Illustrations: None
ISNB: 0-394-86424-7

First Printing Identifier: First Printings of this edition have no numberline on the copyright page.  However, books with a rear inner list to "The Mystery of the Two-Toed Pigeon" and "The Three Investigators' Book of Mystery Puzzles" should be considered First Printings.
Random House First Paperback Edition
"Hitchcock Cover"

First Printed: 1980
Cover Art: Robert Adragna
Internal Illustrations: None
ISBN: 0-394-84449-1

First Printing Identifier: 1234567890 numberline on the copyright page.