The Secret
Black Cover Paperback
1982 Printing

Release Date: Nov. 1982
Publisher: Bantam
Producer: Byron Preiss Visual Publications
ISBN: 0-553-01408-0
Library of Congress Catalog Number: 82-90234
Printer Key: 0987654321 (First Printing)
Cover price: $9.95US $10.95CAN

This is the most common printing available from 1982

Current Value: $150 – $300

The Secret
Black Cover Paperback (second printing)
1982 Printing

Release Date: Nov. 1982-1985
Publisher: Bantam
Producer: Byron Preiss Visual Publications
ISBN: 0-553-01408-0
Library of Congress Catalog Number: 82-90234
Printer Key: 098765432 (Second Printing)
Cover price: $9.95US $10.95CAN

This edition was likely printed at the same time the first printings. There are slightly fewer second printings than first printings.

Current Value: $150 – $300

The Secret
Blue Cover Hardback
1982 Printing

Release Date: Nov. 1983-1985
Publisher: Bantam
Producer: Byron Preiss Visual Publications
ISBN: 0-553-01408-0
Library of Congress Catalog Number: 82-90234
Printer Key: 0987654321 (First Printing)
Cover price: $9.95US $10.95CAN

Known copies with collectors: 15

Current Value: $500-$700

The hardback was created by removing the covers of paperbacks and having them professionally rebound in hardback. Likely for library collections. The dust cover is a one sheet printing of the front and back of the book. These are becoming fairly common now that people know they exist, and can be found in old library collections

The Secret
Blue Cover Hardback (second printing)
1982 Printing

Release Date: Nov. 1983-1985
Publisher: Bantam
Producer: Byron Preiss Visual Publications
ISBN: 0-553-01408-0
Library of Congress Catalog Number: 82-90234
Printer Key: 098765432 (Second Printing)
Cover price: $9.95US $10.95CAN

Known copies with collectors: 12

Current Value: $500-$700

The hardback was created by removing the covers of paperbacks and having them professionally rebound in hardback. Likely for library collections. The dust cover is a one sheet printing of the front and back of the book. These are becoming fairly common now that people know they exist, and can be found in old library collections. Second printing seems equally as common as first.

The Secret
Orange Hardback Library Copy (second printing)
1982 Printing
Young Adult
Classification 793.735

Release Date: Nov. 1983-1985
Publisher: Bantam
Producer: Byron Preiss Visual Publications
ISBN: 0-553-01408-0
Library of Congress Catalog Number: 82-90234
Printer Key: 098765432 (Second Printing)
Cover price: $9.95US $10.95CAN

The hardback was created for libaries by removing the covers of paperbacks and pasting them on professionally rebound hardback. No dust cover.

Photos courtesy of Jax Claiborn

Fairy Treasure Box – You Solve the Mystery
Japanese Black Cover
1983 Printing

Release Date: 1983
Publisher: Futami-shobo
Producer: Byron Preiss Visual Publications
Translation: Japan UNI Agency inc.
ISBN: 0276-831122-7339
Library of Congress Catalog Number: N/A
Printer Key: N/A (First Printing Standard)
Cover price 780yen

These are common.

This cover was marketed towards adults.
Both Japanese editions are Identical aside from the flyleaf and removable dust jacket.

Mystery Time – The Buried Treasure is Yours!
J-Pop Variant
1983 Printing

Release Date: 1983
Publisher: Futami-shobo
Producer: Byron Preiss Visual Publications
Translation: Japan UNI Agency inc.
ISBN: 0276-831190-7339
Library of Congress Catalog Number: N/A
Printer Key: N/A (First Printing YA Variant)
Cover price 780yen

These are more common than the black covers.

This cover was sold in manga shops and marketed towards young adults
Both Japanese editions are Identical aside from the flyleaf and removable dust jacket.

Release Date: Nov 2014
Publisher: ibooks.com
Producer: Byron Preiss Visual Publications
ISBN: 978-1-59687-444-2
Library of Congress Catalog Number: N/A
Printer Key: N/A
Cover price $25.16

Release Date: Nov 2014
Publisher: ibooks.com
Producer: Byron Preiss Visual Publications
ISBN: 978-1-59687-401-5
Library of Congress Catalog Number: N/A
Printer Key: N/A
Cover price $25.46