Paul Parsons

Deep-sky observing - that's looking at the stars, nebulae and galaxies - is easily the most popular field for amateur astronomers. The big problem faced by non-professional observers is what to look at - what's visible at a paticular time of year. Meer

Everything you ever wanted to know about physics in 35 bite-size chapters. Meer

Instant Mathematics pulls together all the pivotal mathematical theories and discoveries into one concise volume. Meer