Book 1

The Secret of Terror Castle

by Robert Arthur, Alfred Hitchcock
Sep 12, 1964
English
Hardcover (179 pages)

Book 2

4.0 (1)
Jan 1, 1981
English
Hardcover

Book 3

3.5 (2)
Jan 1, 1978
English
Hardcover (185 pages)
Oct 10, 1965
English
Hardcover (185 pages)

Book 4

The Mystery of the Green Ghost

by Robert Arthur, Alfred Hitchcock
4.0 (3)
Jul 12, 1985
English
Paperback (179 pages)

Book 5

3 etsivää ja hopeinen hämähäkki

by Robert Arthur, Inkeri Pitkänen
Jan 1, 1983
Finnish
Paperback (151 pages)
4.0 (2)
Sep 12, 1985
English
Paperback (176 pages)

Book 6

Book 7

3.0 (1)
Jan 1, 1966
English
Hardcover (158 pages)

Book 9

Jan 3, 2016
English
Kindle (168 pages)
4.0 (1)
Jan 1, 1973
English
Paperback (128 pages)

Book 10

Jan 1, 1967
English
Hardcover (180 pages)

Book 11

4.0 (1)
Oct 15, 1991
English
Paperback (192 pages)

Book 12

4.0 (2)
Jun 13, 2000
English
Paperback (176 pages)

Book 13

Aug 12, 1971
English
Hardcover (182 pages)

Book 14

Jan 1, 1973
English
Paperback (143 pages)

Book 15

Záhada Dopingového Bežca

by Brigitte Johanna Henkel-Waidhofer
Jan 1, 1996
Slovak
Hardcover (102 pages)

Book 16

O Mistério da Sombra que Ri

by William Arden, Carolina de Oliveira, Harry Kane
Feb 1, 1992
Portuguese
Paperback (188 pages)
3.5 (2)
Jan 1, 1969
English
Paperback (178 pages)
Jan 3, 2016
English
Kindle (118 pages)

Book 17

Die drei ??? Tatort Zirkus

by Brigitte Johanna Henkel-Waidhofer
5.0 (1)
Jan 1, 1998
German
Paperback (142 pages)

Book 18

May 12, 1978
English
Paperback (153 pages)

Book 19

3 etsivää ja Aavejärven arvoitus

by William Arden, Inkeri Pitkänen
Jan 1, 1977
Finnish
Hardcover (165 pages)
4.0 (1)
Jul 12, 1973
English
Hardcover (148 pages)

Book 20

Die drei ??? und der verrückte Maler

by Brigitte Johanna Henkel-Waidhofer, Aiga Rasch
5.0 (1)
Apr 1, 2012
German
Kindle (110 pages)

Book 21

4.0 (1)
Apr 12, 1984
English
Paperback (144 pages)

Book 22

Die drei ???, Geisterstadt (drei Fragezeichen)

by Brigitte Johanna Henkel-Waidhofer, Aiga Rasch
Apr 1, 2011
German
Kindle (130 pages)

Die Drei ???. Geisterstadt

by Brigitte Johanna Henkel-Waidhofer, Alfred Hitchcock
Jan 1, 1998
German
Paperback (154 pages)

Book 23

4.0 (1)
Jan 1, 1973
English
Hardcover (149 pages)
Dec 28, 2015
English
Kindle (118 pages)

Book 24

Die drei ???, Geheimnis der Särge (drei Fragezeichen)

by Brigitte Johanna Henkel-Waidhofer, Aiga Rasch
Oct 8, 2011
German
Kindle (124 pages)

Book 25

Secret of the Haunted Mirror

by M.V. Carey, Roger Hall
3.5 (2)
Nov 1, 1975
English
Hardcover (160 pages)

Book 26

Jan 1, 2006
English
Hardcover

Book 27

Jan 3, 2016
English
Kindle (116 pages)

The Mystery of the Dancing Devil

by William Arden, Jack Hearne
4.0 (1)
Sep 12, 1976
English
Hardcover (141 pages)

Book 28

4.0 (1)
Jul 1, 1997
German
Audiobook (40 min)

Book 29

Sep 12, 1979
English
Paperback (181 pages)

Book 30

4.0 (1)
Aug 12, 1975
English
Hardcover (152 pages)

Book 31

Die Drei ???: Das Leere Grab (Die Drei Fragezeichen, #77)

by André Marx, Alfred Hitchcock, Robert Arthur
Jan 1, 1997
German
Hardcover (112 pages)

Book 32

Jan 1, 1999
German
Paperback (124 pages)

Book 33

Book 34

Book 35

Die drei ???, Meuterei auf hoher See (drei Fragezeichen)

by André Marx, Alfred Hitchcock, Aiga Rasch
4.0 (1)
Apr 1, 2010
German
Kindle (147 pages)

Book 36

Aug 12, 1985
English
Paperback (143 pages)
Edition: Revised

Book 37

Sep 1, 1997
German
Audiobook (40 min)

Book 38

Feb 10, 1986
English
Paperback (160 pages)

Book 39

3.0 (1)
Jan 1, 1998
German
Hardcover (107 pages)

Book 40

Wolfsgesicht

by Katharina Fischer, Robert Arthur
Feb 1, 1999
German
Hardcover (128 pages)

Book 41

Jan 3, 2016
English
Kindle (129 pages)
4.0 (1)
Dec 27, 1978
English
Paperback (115 pages)

Book 42

Nov 7, 2013
German
Kindle (148 pages)

Book 43

3 etsivää ja moottoripyöräjengi

by M.V. Carey, Anna-Maija Pursiainen
Jan 1, 1985
Finnish
Hardcover (160 pages)
Sep 17, 1991
English
Paperback (192 pages)

Book 44

May 12, 1978
English
Paperback (176 pages)

Book 45

Jan 1, 2007
German
Paperback (126 pages)

Book 46

Aug 12, 1981
English
Paperback (144 pages)

Book 47

Jan 1, 1998
German
Paperback (127 pages)

Book 48

4.0 (1)
Jan 1, 1998
German
Hardcover (117 pages)

Book 49

4.0 (1)
Dec 9, 2013
German
Kindle (140 pages)

Book 50

Die drei ??? Dreckiger Deal

by Brigitte Johanna Henkel-Waidhofer
Jan 1, 1996
German
Paperback

Die drei ??? Dreckiger Deal

by Brigitte Johanna Henkel-Waidhofer, Aiga Rasch
Apr 1, 2012
German
Kindle (161 pages)

Book 51

Záhada Hotelového Prízraku

by Brigitte Johanna Henkel-Waidhofer
5.0 (1)
Jan 1, 2006
Slovak
Hardcover (122 pages)

Book 52

Die drei ???, Schrecken aus dem Moor

by Marco Sonnleitner, Silvia Christoph
3.0 (1)
Apr 1, 2011
German
Kindle (124 pages)

Book 53

Die drei ???, Geister-Canyon

by Ben Nevis, Silvia Christoph
Oct 8, 2011
German
Kindle (127 pages)

Book 54

Mar 1, 2007
German
Paperback

Book 55

Jan 1, 2008
Slovak
Hardcover (125 pages)

Book 56

Nov 7, 2013
German
Kindle (120 pages)

Book 57

Apr 1, 2011
German
Kindle (123 pages)

Book 58

Apr 1, 2010
German
Kindle (129 pages)

Book 59

5.0 (1)
Jan 1, 2010
Slovak
Hardcover (123 pages)

Book 60

Aug 1, 1999
German
Paperback (122 pages)

Book 61

Die drei ??? Der schwarze Skorpion

by Marco Sonnleitner, Oliver Rohrbeck, Jens Wawrczeck
Jan 1, 2005
German
Audiobook (40 min)

Book 62

Book 63

3.0 (1)
Mar 15, 2008
German
Paperback (158 pages)

Book 67

The Mystery of the Sinister Scarecrow

by M.V. Carey, Judy Winter
4.5 (2)
Oct 12, 1979
English
Hardcover (151 pages)

Book 71

The Mystery of the Creep-Show Crooks

by M.V. Carey, Robert Arthur
Sep 12, 1985
English
Paperback (177 pages)

Book 75

4.0 (1)
Sep 12, 1987
English
Paperback (182 pages)

Book 79

Funny Business

by Robert Arthur
May 20, 1989
English
Paperback (140 pages)

Book 83

Mar 12, 1985
English
Paperback (124 pages)

Book 87

Foul Play

by Peter Lerangis
Jan 1, 1990
English
Paperback

Book 91

Die drei ???, Pistenteufel

by Ben Nevis, Aiga Rasch
Sep 10, 2010
German
Kindle (164 pages)

Book 92

Die drei ??? Späte Rache

by Brigitte Johanna Henkel-Waidhofer
Aug 5, 1996
German
Audiobook (40 min)

Book 1-4

Jan 1, 1986
Slovak
Paperback (526 pages)

Book 6-7, 10

Jan 1, 1982
Slovak
Hardcover

Book 64-66

Záhada Bane Smrti, Dvojprstého Holuba, Smrtiaceho Dvojnedka

by M.V. Carey, Marc Brandel, William Arden
Jan 1, 2013
Slovak
Hardcover (379 pages)

Book 68-70

Jan 1, 2014
Slovak
Hardcover (390 pages)

Book 72-74

Jan 1, 2015
Slovak
Hardcover (398 pages)

Book 76-78

Jan 1, 2016
Slovak
Hardcover (381 pages)

Book 80-82

Book 84-86

Záhada ukradnutej ceny, kúpeného hráča, nebezpečnej cesty

by Marc Brandel, Megan Stine, Henry William Stine
Jan 1, 2018
Slovak
Hardcover (362 pages)

Book 88-90

Jan 1, 2019
Slovak
Hardcover (333 pages)