This book provides an in-depth review of all aspects of space weather. Written by world-leading experts, these sixteen review papers cover everything from space weather's origin on the Sun and its propagation in interplanetary space to its impact on the Earth and other solar system bodies. The history of space weather and even events with anthropogenic origin are also covered. Thus, the volume serves as both a comprehensive reference for researchers and a starting point for graduate students. Originally published in Space Science Reviews in the Topical Collection "The Scientific Foundation of Space Weather"