Stephanie Sammartino McPherson wrote her first children's story in college. She enjoyed the process so much that she's never stopped writing. A former teacher and freelance newspaper writer, she has written twenty-eight books and numerous magazine stories. She especially enjoys writing about science and the human interest stories behind major discoveries. Her most recent book is a biography of Tim Berners-Lee, who invented the World Wide Web. Stephanie and her husband Richard live in Virginia but also call California home. They are the parents of two grown children.