Mike Downs

Books
A Treasure of Measures A Treasure of Measures
A Treasure of Measures
2024
The Artimus Box The Artimus Box
The Artimus Box
2011
Invention of the Combustion Engine Invention of the Combustion Engine
Invention of the Combustion Engine
2020
The Flying Man The Flying Man
The Flying Man
2022
Investigating Space Mysteries Investigating Space Mysteries
Investigating Space Mysteries
2021
Bringing Space Home Bringing Space Home
Bringing Space Home
2021

Audiobooks
The Flying Man : Otto Lilienthal, the World's First Pilot The Flying Man : Otto Lilienthal, the World's First Pilot
The Flying Man : Otto Lilienthal, the World's First Pilot
2023