Philippe de Vosjoli is an expert on reptile husbandry who revolutionized herpetoculture with the Advanced Vivarium Systems series of books. He has written more than twenty books and one hundred articles on the care and breeding of reptiles and amphibians. Terri M Sommella: Terri M. Sommella has raised and bred lizards for more than twenty years. She founded Fire and Ice Dragons in 2000 with Adam Seltzer, and they continue to produce beautiful bearded dragons and educate new herpers along the way. Robert Mailloux is the owner of Sandfire Dragon Ranch and the originator of the spectacularly colored Sandfire bearded dragon morph. He was the first person to commercially breed several of the frog species now available in the pet trade. Susan Donoghue, VMD, is a board-certified diplomate in the American in the American College of Veterinary Nutrition. She has written more than 150 chapters and articles on nutrition and health, designs and markets the Walkabout Farm line of dietary products for herps, and is an avid bearded dragon breeder. Roger Klingenberg, DVM, was inspired to pursue a veterinary degree due to his love of reptiles. His veterinary specialization in reptiles along with many years of experience keeping numerous types of reptiles has led to his being recognized at the forefront of the field of reptile veterinary medicine and surgery. Jerry Cole has bred and kept reptiles since the early 1980s and runs BJ Herp Supplies with his wife, Belinda. They supply captive-bred stock, equipment, and publications, as well as unique reptile-oriented supplies of their own design, to retailers and hobbyists across the UK and continental Europe.