Galileo Galilei - A Short Biography: 30 Minute Book Series (Unabridged)
2015
Albert Einstein: A Short Biography: Father of the Theory of Relativity (Unabridged)
2018
The Great Depression: A Short History (Unabridged)
2016
A Short Biography of the Astronomer Edwin Hubble: 30 Minute Book Series, Book 2 (Unabridged)
2015
A Short Biography of the Scientist Sir Isaac Newton: 30 Minute Book Series 1 (Unabridged)
2015
Buying and Selling Silver Bullion Like a Pro (Unabridged)
2014