There are 1 book by Sonja Grusch on BookOrb. A strong starting point is Im Hamsterrad (2017). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has Sonja Grusch written?
BookOrb lists 1 book by Sonja Grusch.
Where should I start with Sonja Grusch?
A good starting point is Im Hamsterrad (2017).
What is the Sonja Grusch books in order list?
In publication order: 1. Im Hamsterrad (2017).