Martin Hollburg
Source: "Martin Hollburg Bibliography." Author Wars, https://authorwars.com/authors/martin-hollburg.html".
Titles:
Chapter Books
- Unknown. Das Kristallhirn
- Unknown. Der Findling im All
- Unknown. Der Sonnenfresser
- Unknown. Die eisige Welt
- Unknown. Die Tiger von Vaultron
- Unknown. Die Zeitfalle des Delamere
- Unknown. Schatten an Bord