Book 1

August 6th, 1990
English
Hardcover

Book 2

June 14th, 2022
English
Paperback

Book 3

June 14th, 2022
English
Paperback

Book 4

January 1st, 1979
English
Hardcover

Book 5

January 1st, 2006
Finnish
Paperback
Portuguese
Paperback

Book 6

January 1st, 1996
English
Hardcover
Edition: 7th prtg

Mysteriet med det gömda huset

by Enid Blyton, Ingrid Warne
January 1st, 1982
Swedish
Paperback
January 1st, 2019
Spanish
Hardcover

Book 7

October 6th, 2016
English
Kindle
January 1st, 1965
English
Hardcover
January 1st, 1996
English
Paperback

Book 8

January 1st, 1979
English
Hardcover

Book 9

May 1st, 2003
English
Paperback
Edition: New Ed

Book 10

January 1st, 1992
French
Paperback
January 1st, 2003
English
Paperback
Edition: New Ed

Book 11

Book 12

January 1st, 1997
English
Hardcover

Book 13

January 1st, 2004
English
Hardcover
Edition: New edition
January 1st, 2003
English
Paperback
Edition: New Ed

Book 14

January 1st, 2003
English
Paperback
Edition: New Ed

Book 15

September 12th, 1996
English
Paperback

Book 1-2, #15

January 1st, 1996
English
Paperback

Book 1-15

English
Paperback