Julius Csotonyi is one of the world's most high profile and talented contemporary a scientific illustrators. Csotonyi has considerable academic expertise that contributes to his stunning dynamic art. He has created life-sized dinosaur murals for the Royal Ontario Museum and for the Dinosaur Hall at the Natural History Museum of Los Angeles County, and most of the artwork for the new Hall of Paleontology at the HMNS. He most recently illustrated the nonfiction children's book PREHISTORIC PREDATORS and resides in Canada. Donna Potter Parham is a Science Writer who has spent more than 30 years learning and writing about animals and habitats for SeaWorld San Diego and San Diego Zoo Global. While earning a Bachelor of Science in biology at San Diego State University, Donna discovered the joy of sharing what she learned with others. She went on to achieve a Science and Technical Writing Certificate and an MBA, but learning about the natural world remains her passion. She lives with her husband and two teenagers in San Diego, where she enjoys hiking, gardening, and floating in the shark-infested waters of the Pacific Ocean.