关于作者
Jill Sherman is the author and editor of dozens of books for young readers. She has more than 10 years of experience creating quality educational materials for children in grades K to 8. Jill writes about all topics, from the big bang to biographies of Oprah Winfrey to the transcontinental railroad. She is a life long learner and educator.
She also writes under the names Cassidy St. James, Robert Norris, Rick Raymos, and Elsie Belback.
