Greenwitch

From Author Wars - https://authorwars.com/publications/greenwitch-368240.html

Overview:

Title: Greenwitch
Author: Susan Cooper
Year: 1977
ISBN-10: 0689704313
Publisher: Aladdin / Atheneum
Price: $1.95
Pages: 147
Binding: Trade Paperback
Type: Novel
Title Reference: Greenwitch
Notes: "A Margaret K. McElderry Book", an Aladdin book, an imprint of Atheneum. Amazon lists this as published by Simon & Schuster, which owns Atheneum. Publication date from Amazon (not listed in the book).