40 books in series

Die drei Fragezeichen (Original)

Die drei Fragezeichen (Original) is a 40-book series with 40 primary works first released in 1964 with contributions by Robert Arthur, William Arden, and 4 others.

The Secret of Terror Castle
#1PopularFirst

1964 • 10 Readers • 159 pages 3.3

The Mystery of the Whispering Mummy
#2

1965 • 2 Readers • 185 pages 3.5

The Mystery of the Fiery Eye
#3

1967 • 2 Readers • 164 pages 3

The Mystery of the Screaming Clock
#4

1968 • 2 Readers • 184 pages 3

The Mystery of the Talking Skull
#5

1969 • 3 Readers • 176 pages 3

The Mystery of the Laughing Shadow
#6

1969 • 2 Readers • 185 pages 3

The Mystery of the Coughing Dragon
#9

1970 • 2 Readers • 202 pages 4

Myst Vanishing Treasu Ah05 3in
#10

1966 • 2 Readers • 160 pages 3

The Mystery of the Nervous Lion
#12

1971 • 2 Readers • 150 pages 3

Záhada stonajúcej jaskyne
#13

1968 • 1 Reader • 108 pages

Den syngende slange
#15

1972 • 2 Readers • 159 pages 3.5

The Mystery of the Shrinking House
#16

1972 • 2 Readers • 153 pages 4

The Secret of Phantom Lake
#18

1973 • 2 Readers • 148 pages 4

The Mystery of the Dead Man's Riddle
#20

1974 • 2 Readers • 145 pages 3

The Mystery of the Dancing Devil
#23

1976 • 1 Reader • 134 pages 3

The Mystery of the Headless Horse
#25

1977 • 3 Readers • 151 pages 3.5

The Mystery of the Silver Spider
#26

1967 • 2 Readers • 154 pages 3

Tajomstvo žraločieho útesu
#29

1979 • 1 Reader • 127 pages

The Mystery of the Sinister Scarecrow
#31

1979 • 1 Reader • 151 pages 4

Záhada planúcich brál
#32

1981 • 1 Reader • 111 pages

Záhada purpurového piráta
#33

1982 • 1 Reader • 113 pages

The Mystery of the Missing Mermaid
#35

1983 • 1 Reader • 181 pages 3

The Mystery of the Kidnapped Whale
#36

1983 • 1 Reader • 178 pages 3

The Mystery of the Trail of Terror
#38

1984 • 1 Reader • 192 pages 3

The Mystery of the Creep-Show Crooks
#42

1985 • 1 Reader • 177 pages 3

The Mystery of Wreckers' Rock
#44

1986 • 1 Reader • 184 pages 3

The Mystery of the Cranky Collector
#45

1987 • 1 Reader • 182 pages 3