An Introduction to the Physics of Sports:
Introducing the physics behind various sporting events. Included in the recommended reading list for university courses (see for example the syllabus for the physics department, Bangalore University, India).
Read a review of the book in the newspaper to Vima, here!
An online course on Udemy entitled: The Physics of Sports.
Scientific Secrets of Athens:
A guide to the scientific sites of Athens.
Scientific Secrets of Edinburgh & Glasgow:
A guide to the scientific sites of Edinburgh & Glasgow.
Every Night Astronomy:
A popular science book on the magical show offered by the night sky.
(50% of net profits are donatated to astronomerswithoutborders.org)