Newest KHT eBooks

Mercury – The Mysterious Planet of the Sun
Mercury – The Mysterious Planet of the Sun

Coming soon …   What do we really know about Mercury? The smallest planet in our solar system…

Nov 5, 2026
Neptune – A Fascinating Journey to the Outermost…
Neptune – A Fascinating Journey to the Outermost…

What does a world look like when it lies some 4.5 billion kilometres from the Sun? Why does…

Oct 30, 2026
Uranus – The Mysterious Ice Giant
Uranus – The Mysterious Ice Giant

Far out in the Solar System orbits a planet that stands apart even among the giant planets: Uranus.…

Oct 29, 2026
Planets – A Journey Through Our Solar System
Planets – A Journey Through Our Solar System

What if we could look at our cosmic home from a completely new perspective? At first glance, our…

Oct 16, 2026
Field Flowers of Switzerland – Discover the Fascinating…
Field Flowers of Switzerland – Discover the Fascinating…

Flowering meadows are among the most beautiful and characteristic landscapes of Switzerland. In spring and summer, they transform…

Oct 15, 2026

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