Walter Moers books in order
7 books in the catalogue, about 60 hours of reading in all; the shortest takes 5 hours and the longest 13 hours.
1 series in the catalogue.
Zamonien-Zyklus
8 books
The 13½ Lives of Captain Bluebear 12.9 h 
Ensel and Krete 4.7 h 
Rumo and His Miraculous Adventures 12.7 h 
The City of Dreaming Books 8.5 h 
The Alchemaster's Apprentice 7.0 h 
The Labyrinth of Dreaming Books 7.9 h Princess Insomnia & the Nightmare-colored Night-mare 6.3 h Weihnachten auf der Lindwurmfeste length not known