Christine Petersen is a writer, naturalist, and environmental educator based in Minnesota. She is the author of more than three dozen books for young people, covering diverse topics in science and social studies. Got questions about bats? Christine once studied these fascinating creatures and probably has the answers. Got questions about adolescents? Christine once taught these fascinating creatures and encourages you to keep seeking the answers. Her blog examines the natural world at all scales, from backyard to biosphere.