This book series is devoted to the subject of collecting, organizing and preserving specimens. Natural history collections are the libraries of life and a valuable resource for experts in biodiversity, as well as in evolutionary and environmental sciences. New techniques offer endless possibilities for reanalysing specimens, and natural history collections are an impressive source of undiscovered species. As long as they are properly cared for, even centuries-old specimens can lead to new discoveries. This series highlights the importance of our natural history collections around the globe and summarizes the knowledge, research, opportunities and challenges associated with them. This includes new techniques for sampling and preservation, as well as new exhibition concepts.