The Black Hole

From Author Wars - https://authorwars.com/books/the-black-hole-2903641.html

Overview:

Title: The Black Hole
Author: uncredited
Year: 1979
Type: Chapter Books

Editions/Publications:

Unknown. The Black Hole (Unknown, uncredited, Golden Press / Western Publishing Company, ISBN-10: 0307135055, $0.69, 48 pages, Trade Paperback, Chapter Book)