Ian Ridpath has been a full-time writer, broadcaster, and lecturer on astronomy and space since 1972. He is a Fellow of the Royal Astronomical Society, as well as a member of the Society of Authors and of the Association of British Science Writers.
Wil Tirion is the world's leading celestial cartographer, having designed the first ever star atlas in 1981. Together Ian and Wil have also produced `Collins Pocket Guide Stars and Planets' and `Collins Gem Stars'.
`...by far the best of the currently available, pocket-sized guides and is one to be warmly recommended.' The Observatory