Alexandra Siy

Alexandra Siy is the author of more than twenty notable books for children, including Mosquito Bite, Voyager's Greatest Hits, and Cars on Mars, and the winner of many awards, including the American Institute of Physics Science Writing Award, the NSTA Best STEM Book award and an NCTE Orbis Pictus Honor.  Alexandra shares her passion for science, photography, and books with students of all ages as a teacher and visiting author.  She lives in New York State.

From the back of Bristlecone: The Secret Life of the World's Oldest Tree