The Witch Lady Mystery, by Carol Beach York (epub/Kindle/pdf)
“I really saw Mrs. Prichard disappear,” Oliver says. “She came toward me, closer and closer. Then she was gone! Just like that!”
The kids call old Mrs. Prichard the Witch Lady. And now Oliver has to rake her leaves. He promised! What other strange and secret things will he find out about her? Is she really a witch?