books by subject
Astronomy
Observer's Guide to Halley's Comet
Greenwich Guide to Stargazing
The Greenwich Guide to Stars, Galaxies and Nebulae
Philip's Guide to Stars and Planets
Nautical Tables
Understanding the Universe
Philip's Star Finder
The Collapsing Universe
Signs in the Sky: (Opening the Stargate)
The Skywatcher's Handbook
In Search of the Edge of Time
A Brief History Of Time: From Big Bang To Black Holes
A Brief History of Time: From the Big Bang to Black Holes
A Briefer History of Time: The Science Classic Made More Accessible
Black Holes And Baby Universes And Other Essays
"Horizon" at the Edge of the Universe (Ariel Books)
Tales from the Map Room: Facts and Fiction About Maps and Their Makers
Stephen Hawking's Universe
The Planets
From the Beginning (Earth)
Astronomy: An Introduction
The Never-Ending Days of Being Dead: Dispatches from the Front Line of Science
The Snows of Olympus
Universe
Surveying
Solving Problems in Surveying (Solving Problems Series)
Looking into Space (Science at Work S.)
Space Science (Science at Work S.)
Planetary Astronomy (Longman physics topics)