Harvard University
Harvard University: Eye on the Sky, Feet on the Ground
An ebook filled with information and classroom activities covering several astrological topics such as the Earth's rotation and the solar system. Many tips and teaching tools are available to aid in discovering what the sky has to offer.
Other
Zvi Har El's Jules Verne: From the Earth to the Moon
This site from the Zvi Har El's Jules Verne Collection provides the complete text of Jules Verne's novel "From the Earth to the Moon". This edition contains original illustrations from the 1865 edition.