Mike Downs

Books

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
A Treasure of Measures A Treasure of Measures
A Treasure of Measures
2024
Investigating Space Mysteries Investigating Space Mysteries
Investigating Space Mysteries
2021
Bringing Space Home Bringing Space Home
Bringing Space Home
2021
Imagining Space Imagining Space
Imagining Space
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