Publisher: Collins

First Printed: 1972

Cover Artist: Peter Archer
Frontispiece Artist: Roger Hall
Internal illustrator: Roger Hall

ISBN: 0-00-160512-7

Story version: Original text

First Printing Attributes:
-- Blue spine box with white text.
-- 12 titles listed on reverse cover.
-- Blue staining on page edges.
-- Gold price label: 45p.

Spine Art Description:
-- Boys chase man, who climbs over wall

Publisher: Armada Books
Cover Layout: Format A

First Printed: 1974 (August)

Cover Artist: Peter Archer

ISBN: 0-00-690910-8

Notes:
-- First printing back cover prices are as follows:
£0.25 (UK), $0.70 (NZ), $0.70 (AU), $0.95 (CAN).
-- Armada altered the title of this story slightly by adding: 'The Mystery of' as a prefix.
-- Rather amusingly, on page 86 of the paperback, the letter “i” in the word “ink” has faded!

Publisher: Armada Books
Cover Layout: Format B

First Printed: 1984

Cover Artist: Unknown

ISBN: 0-00-692351-8

Publisher: Armada Books
Cover Layout: Format C

First Printed: 1984

Cover Artist: Unknown

ISBN: 0-00-692351-8

Publisher: Armada Books
Cover Layout: Format D

First Printed: 1988

Cover Artist: Unknown

ISBN: 0-00-692351-8

Publisher: Armada Books
Cover Layout: Format E

First Printed: 1992

Cover Artist: David Browne

ISBN: 0-00-692351-8

Notes:
-- In this cover, Blackbeard is David Browne's step-father with a beard grafted on. (Source: the interview with British artist David Browne, conducted by Bob Finnan in 2003).

Publisher: Armada Books

Cover Layout: Format A

First Printed: 1982

Featured stories:
#7 - The Mystery of the Melted Coins
#22 - The Sinister Signpost
#23 - Footprints Under The Window

Cover Artist: Peter Archer

ISBN: 0-00-692076-4

Notes:
-- First printing back cover prices are as follows:
£1.95 (UK), $5.95 (NZ), $4.95 (AU).

Publisher: Armada Books

Cover Layout: Format E

First Printed: 1994

Featured stories:
#7 - The Mystery of the Melted Coins
#8 - The Mystery of the Spiral Bridge

Cover Artist: Kenny McKendry

ISBN: 0-00-694507-4

Notes:
-- First printing back cover prices are as follows:
£3.50 (UK).
-- Copyright Page

Publisher: Diamond Books

First Printed: 1993

Featured stories:
#7 - The Mystery of the Melted Coins
#22 - The Sinister Signpost
#23 - Footprints Under The Window

Cover Artist: David Browne

ISBN: None

Notes:
-- This particular selection of titles was first issued in an omnibus edition by Armada in 1982.