Animal Series is a 30-book series with 30 released primary works first released in 2003 with contributions by Boria Sax, Rebecca Stott, Susan McHugh, Helen Macdonald, Claire Preston, Katharine M. Rogers, Kay Rogers, Martin Wallen, Hannah Velten, Victoria de Rijke, Stephen Martin, Desmond Morris, Richard Schweid, Katarzyna Michalski, Sergiusz Michalski, Daniel Allen, Richard J. King, James Owen, Richard Jones, Mikita Brottman, Charlotte Sleigh, Dan Wylie, John Fletcher, Georgie Carroll, Daniel Heath Justice, Adam Dodd, Philip Armstrong, Peter Williams, Garry Marvin, and Peter Coates.