Trade & GLB Edition First Printing Identifier: 1234567890 numberline on the copyright page.
Other Hardbound Trade Edition First Printing Traits:
- Glossy cover finish
- Plain white endpapers
- Back cover lists to "The Mystery of the Dancing Devil"
Notes: 1st and 4th printings are commonly found in the Trade Edition while 2nd and 3rd printings are quite scarce.
Random House First Paperback Edition
"Hitchcock Cover"
First Printed: 1981
Cover Art: Robert Adragna
Internal Illustrations: None
ISBN: 0-394-84862-4
First Printing Identifier: 1234567890 numberline on the copyright page.
Notes: As with all of The Three Investigators paperback titles printed in 1981, this book can be found with the Mystery Quiz/Bookmark page attached inside the front or back cover.
Scholastic Book Services Paperback Edition
First Printed: April 1978
Cover Art: Jack Hearne
Internal Illustrations: None
ID#: TK 3942
First Printing Identifier: 12 11 10 9 8 7 6 5 4 3 2 1 numberline on the copyright page.
Random House Revised Paperback Edition
"Keyhole Cover"
First Printed: 1984
Cover Art: Robert Adragna
Internal Illustrations: None
ISBN: 0-394-86425-5
First Printing Identifier: 1234567890 numberline on the copyright page.