Marcelo Baez is a professional illustrator and designer who has worked for international clients such as Microsoft, ESPN Magazine, Dallas Observer, The Weekend Australian Magazine just to name a few. Agnieszka Biskup is a writer and editor based in Chicago. She is a former science editor at the Boston Globe as well as a Knight Fellow at MIT, where she studied science journalism. She served as managing editor of the children's magazine Muse and has written numerous children's books in addition to many articles for newspapers, magazines, and websites. Her books have received awards from Learning magazine, the Association of Educational Publishers, the Society of School Librarians International, and have been chosen as Junior Library Guild selections. She is also a winner of the 2015 American Institute of Physics Science Writing Award in the Writing for Children category.