The Chocolate Farmer
2011
Maël et la révolution
2022
First Aid
1943
Bermuda Triangle: The Deadly Secrets
2018
Seeds of Hope
2012
Alice Waters, Edible Schoolyard: San Francisco Foundation Community Leadership Awards 2006
2009
The Heroes of the Massacre River
2025
Passfire
2016
There Goes a Monster Truck
1995
Is Genesis History? Mountains After the Flood
2023
Tryweryn, The Story of a Valley
1965
Harvest of Shame
1960
Living Wine
2022
Geologická činnosť vody
1955
Továreň na Dunaji
1955
What do we know about light?
1955
Writing: Plain & Fancy
1981
Subject: Narcotics
1951
Women in Islam
—
The Creation Of Life
1948