In this book, art plays a significant role. Museum director Alexander Kahn is carrying out some research to find the original of the work 'City of towers', a drawing by Paul Klee from 1929.

The Publisher specializes in ornithology and natural history in general. In 2005 it launched a children’s collection, Paper Wings, with the idea of bringing young children closer to nature.

Luz Orihuela is a children's book author, editor, translator and proof-reader for publishing houses such as Combel, Planeta, La Galera, Teide and Casals.