Dr. Quantum in the Grandfather Paradox

From Author Wars - https://authorwars.com/books/dr-quantum-in-the-grandfather-paradox-775437.html

Overview:

Title: Dr. Quantum in the Grandfather Paradox
Author: Fred Alan Wolf
Year: 1981
Type: Novels

Variant Titles:

1989. Der Quantensprung ist keine Hexerei

Editions/Publications:

2007 . Dr. Quantum in the Grandfather Paradox (2007, Fred Alan Wolf, Elora Media, ISBN-10: 0978681339, $12.95, Trade Paperback, Novel)