David J. Ward entered college to study radio and television but quickly found his true passion was science. He finished with a master’s degree in geology. After working as a geologist for seven years, David became a high school science teacher and has been teaching ever since. The classes he teaches are physics, astronomy, geology, and earth science. David lives in Colorado with his wife and two boys. He like to play basketball, hike in the mountains, and play bass guitar. Eric Comstock was encouraged to pursue a career in the arts after taking an illustration class in college. After working in advertising for 11 years, he shifted gears and took up freelance illustration. Eric is inspired by music, and his passion for children’s books grew from their colorful expression, which reminded him of music on the page. He collects old jazz albums to open up his creative pathways and stir up new ideas. Eric lives in Austin, TX where he and his wife, who is also an artist, work together while raising four kids and one dog.