Holger Rathgeber has written at least 4 books. Their most popular book is Our Iceberg is Melting: Changing and Succeeding Under Any Conditions with 24 saves with an average rating of 3.5⭐.
2005 • 24 Readers • 160 pages • 3.5
2016 • 3 Readers • 3
2005 • 2 Readers • 147 pages • 5
2005 • 1 Reader • 128 pages • 4