Marianne D. Wallace is a natural science educator, writer, and illustrator. Her work has appeared in more than 20 over 30 books and publications. She has also been an elementary school science teacher, a writer for the US Forest Service, and a tour guide in at the Los Angeles County Arboretum. Recently she received a Woman of Achievement Award from the YWCA of the San Gabriel Valley. She lives an hour away from between the Mojave Desert and the Pacific Ocean coastline in the foothills of Monrovia, California, with her botanist husband and two teenaged sons.