Books by Altfeld, Heather 1 books by this author Found Matches | Filtered / Porter, The Business: A Ferret’s Guide to the Lab Life, 2018. Altfeld, Heather/Sharp, Lesley A.: The Business: A Ferret’s Guide to the Lab Life. In: Living with animals: bonds across species. Hrsg. v. Natalie Porter/ Ilana Gershon. Ithaca 2018. S. 209–220.