MYSTERY OF THE PIRATE OAK - Classic Scholastic Paperback Book

A classic fantastic Scholastic paperback book from 1964 by Helen Fuller Orton. Wonderfully illustrated with pen and ink drawings. Why is there a strange light at the old, massive oak tree at night. Rumors of pirate treasure and mysterious adventure! A former school room book. A dog ear chip out of the cover and "Room 13" written on the book.