One day Ava and Alan were flying through the forest when they heard someone crying softly. Curious, they land and find a black-footed ferret named Betty. She was sad because she could not figure out how to do the war dance. Join Ava and Alan as they take a trip to Wyoming to help Betty and make new friends. The perfect Storytime book series for both boys and girls ages 6-10 Grades: 1-5. Parents, teachers, librarians, and kids will appreciate the familiar situations and appropriate language for Ages 6-10 Grades: 1-5.