Dr. Tugler 
Secrets of Nature from B-Z [EPUB ebook] 

In the books, you will get acquainted with space pirates and students of Galactic University, smart octopi and even smarter whales, disputing chemists, and oil-miners! These and other characters will take you to space and underground, to the North Pole and the African desert, to mountains and waterfalls, to warm snow and cold fire, and even to listen to an echo. All these fantastic adventures are waiting for you in this series.