Also available in paperback (full-color ISBN 978-1478169383, black and white ISBN 978-1478169727).
This eBook provides a highly visual and colorful introduction to a variety of basic astronomy concepts:
Overview of the Solar SystemUnderstanding the Lunar PhasesUnderstanding Solar and Lunar EclipsesUnderstanding the SeasonsEvidence that the Earth is RoundModels of Our Solar SystemLaws of Motion in AstronomyBeyond Our Solar SystemThis eBook features numerous NASA space photos. (NAS .