1. The first book of electricity, Title: The first book of electricity, Date: ©1953. Author: Epstein, Sam, 1909-2000, author. Collecting Area: Mathes Childrens Literature Call number: YH E64 F57 1953 LOCAL
2. The first book of printing, Title: The first book of printing, Date: ©1955. Author: Epstein, Sam, 1909-2000, author. Collecting Area: Mathes Childrens Literature Call number: YH E64 F577 1955 LOCAL