Hanni und Nanni is a 29-book series with 29 released primary works first released in 1941 with contributions by Enid Blyton, Rosemarie Eitzert, Nikolaus Moras, Brigitte Endres-Tylle, and Brigitte Endres.
#22 of 28 in Hanni und Nanni
2000
#26 of 28 in Hanni und Nanni
2008 • 160 pages