Publisher: Random House
First Printed: 1974
Cover Art by Jack Hearne
Internal Illustrations by Jack Hearne
Trade & GLB Edition First
Printing Identification: 1234567890 numberline on the copyright page.
Edition First Printing Characteristics:
-- Matte cover finish
-- Blue graveyard/spiderweb
-- Back cover list
to The Mystery of the Dead Man's Riddle
-- No inner list
-- The graveyard/spiderweb
endpapers were present only in the First Printing of the Trade Edition.
This also applies to The Secret of the Haunted Mirror. All
subsequent printings of these two, as well as all printings of the remaining new Trade books in the series, had just plain white endpapers.
-- The GLB Edition of Dead Man's Riddle was part of the Random House Reading Program. Copies can be found dating from both the 1970s and 1980s. The copies from the 80s have Adragna cover art (below).
-- Late printings
of the GLB Edition used Robert Adragna's cover art as shown below.