Holger Hanowell
Holger Hanowell has written at least 2 books. Their most popular book is Ökotopia with 1 save with an average rating of 3⭐.
Holger Hanowell has written at least 2 books. Their most popular book is Ökotopia with 1 save with an average rating of 3⭐.
Series
2 primary booksAuthored 33% of series
Ecotopia is a 2-book series with 2 primary works first released in 1975 with contributions by Ernest Callenbach and Holger Hanowell.
