Nel Yomtov is an award-winning author of children's nonfiction books and graphic novels. He specializes in writing about history, current events, biography, architecture, and military history. He has written numerous graphic novels for Capstone, including the recent School Strike for Climate, Journeying to New Worlds: A Max Axiom Super Scientist Adventure, and Cher Ami: Heroic Carrier Pigeon of World War I. In 2020 he self-published Baseball 100, an illustrated book featuring the 100 greatest players in baseball history. Nel lives in the New York City area. Alessandro Valdrighi was born by the sea in 1980 in beautiful Castiglione della Pescaia, Italy. He studied at the prestigious Accademia di Belle Arti (Academy of Fine Arts) in Florence and graduated with a Bachelor's degree as a set designer. Alessandro learned to draw at an early age by copying comics and illustrations from books. He believes this is the reason he is now successful using multiple art styles. Alessandro has worked as a cartoonist, illustrator, and concept artist in both traditional and digital media. In 2011 he won a prize for his work on Lágrimas en la lluvia, featured as the best comic book publication in Spain. Alessandro lives and works in Siena, Italy, with his wife and baby, and a crazy cat.