4 books in series

Die drei Fragezeichen (Hörbücher)

Die drei Fragezeichen (Hörbücher) is a 4-book series with 4 primary works first released in 1964 with contributions by William Arden, Robert Arthur, and 2 others.

The Secret of Phantom Lake
#3Popular

1973 • 2 Readers • 148 pages • 4

The Mystery of the Stuttering Parrot
#4First

1964 • 2 Readers • 182 pages • 3

The Mystery of the Laughing Shadow
#11

1969 • 2 Readers • 185 pages • 3

Den syngende slange
#12

1972 • 1 Reader • 159 pages • 4