Thomas McCabe is one of the coauthors of the Reptiles Coloring Book. He is an Assistant Professor in Biological Sciences at The University of Texas at El Paso and a researcher in biology education. Formerly, he was the Chief Scientific Officer of ZooToxins, LLC, helping to develop vaccines for animals like dogs and horses against the bites and stings of venomous animals. While his research currently focuses on humans, his doctoral work focused on understanding the variation in composition of rattlesnake venoms from different locations and over time as well as understanding the interactions of rattlesnakes and the prey animals they eat. He is ecstatic to share his passion for these animals with readers.