Today I learned that NASA has a collection of free ebooks that can be downloaded as pdfs or ebub format.

The science books even include a children’s section with fun activites and coloring books!

science.nasa.gov/multimedia/sc…

#nasa

Science e-Books

From Earth and the other planets in our solar system, to supermassive black holes and the distant galaxies that contain them, explore NASA science and imagery through our library of e-books.

^{Colleen Kaiser (NASA Science)}