5 books in series

Die drei Fragezeichen (Hörbücher)

Die drei Fragezeichen (Hörbücher) is a 5-book series with 5 primary works first released in 1964 with contributions by William Arden, Robert Arthur, and M.V. Carey.

The Secret of Phantom Lake
#3

1973 • 2 Readers • 148 pages • 4

Cover 1

Alfred Hitchcock og De tre Detektiver

#4First

1964 • 1 Reader • 169 pages • 4

The Mystery of the Laughing Shadow
#11

1969 • 4 Readers • 126 pages • 3

Den syngende slange
#12

1972 • 2 Readers • 159 pages • 3.5

The Mystery of the Whispering Mummy
#18Popular

1965 • 7 Readers • 180 pages • 3.3