The book currently has contributions from the following authors:

Bobby Bingle
Jan Christoph Bublitz
Adrian Carter
Paul Sheldon Davies
Alexandre Erler
Harvey Fiser
Farah Focquaert
Walter Glannon
Valerie Hardcastle
Patrick Hopkins
Emma A. Jane
Neil Levy
Rachel McKinnon
Thomas Nadelhoffer
Chris Ryan
Katrina Sifferd
Sigrid Sterckx
Nicole A Vincent

If you would like to contribute a chapter, please see this CFP.