Thanks to all who generously shared their expertise and who helped me, on land as well as at sea:
Dr. Reinhard Böhm for the lively glacier tutorial
Kristina Dörlitz for the excellent research assistance
Alexandra Föderl-Schmid for the second commission
Petra Glardon for the wonderful iceberg photos
Prof. Dr. Wilfried Haeberli for his edifying encouragement
Christoph Hofbauer for his high-powered advice
Mijnheer Hans Huyssen for the music
Angelika Klammer for her inspired and inspiring editing
Freddy Langer for the friendly press service
Dr. Rudi Mair for the conversation about Alpine climate and Antarctic overwintering
Borrego Pedro Rosa Mendes for the days and nights at the Tejo
Compañero José F. A. Oliver for his empathetic reading of the manuscript
Papa Heinz Renk for showing me the Tyrolean glaciers
Dr. Miguel Rubio-Godoy for the avalanche of calamities
Dr. Christine Scholten for the medical review
Dorothée Stöbener for the first commission
Susann Urban for the gift of the title
Juli Zeh for the wielding the red pen
Hurtigruten Shipping for their double hospitality
The poems cited in the text are by Samuel Taylor Coleridge, Klabund and Pablo Neruda