AE
Allan W. Eckert
Allan Wesley Eckert was an American novelist and playwright who specialized in historical novels for adults and children, and was also a naturalist. His novel Incident at Hawk's Hill (1971) was initially marketed to adults and selected by Reader's Digest Condensed Books. A runner-up for the Newbery Medal, it was afterward marketed as a children's novel and adapted by Disney for a television movie known as The Boy Who Talked to Badgers (1975).
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Wilderness Empire A Narrative
1969
ISBN 9780553264883
The Dark Green Tunnel
1984
ISBN 9780316208819