A Beginner's Guide to the Earth's Magnetosphere by Stanley W. H. Cowley
The Exploration of the Earth's Magnetosphere by David P. Stern and Mauricio Peredo
Space Physics "Text Book" from the University of Oulu
Aurora Texts from the Auroral Observatory, and Northern Lights in Tromsø Plasma Formulary from NRL
Electronic Textbook of Meteorology from The University of Illinois at Urbana-Champaign
Virtual Learning Center (VLC) for space sciences at ISPEC (UCSD)
StatCodes: On-line statistical software for astronomy and related fields
Updated by Tony,