#27 The Mystery of the Magic Circle

By M.V. (Mary Virginia) Carey, 1978
Random House hardbound 1978
Hitchcock Cover PB 1981
Keyhole Cover PB 1985
Back to the Original Series page.
Random House Trade and GLB Hardbound Editions 

First Printed: 1978 
Cover Art: Jack Hearne 
Internal Illustrations: Jack Hearne
ISBN's: Trade Ed. 0-394-83607-3; GLB 0-394-93607-8

Trade & GLB Edition First Printing Identifier: 1234567890 number line 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 Deadly Double" 

Notes:  Along with #24 and #28, this is one of the more difficult Hardbound Trade Edition titles to find. Still, it is not a rare book.
Random House First Paperback Edition 

"Hitchcock Cover"

First Printed: 1981 
Cover Art: Robert Adragna 
Internal Illustrations: None
ISBN: 0-394-84490-4

First Printing Identifier: 1234567890 number line on the copyright page.

Notes: Early printings ofthis book can be found with the Mystery Quiz/Bookmark page attached inside the front or back cover.
Random House Revised Paperback Edition

"Keyhole Cover" 

First Printed: 1985 
Cover Art: Robert Adragna 
Internal Illustrations: None
ISBN: 0-394-86427-1

First Printing Identifier: 1234567890 number line on the copyright page.