books by subject
Astronomy

Patrick Moore's Data Book of Astronomy

The Smallest Lights in the Universe: A Memoir

Discovery Atlas of the Planets and Stars

Foundations of 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

Collapsing Universe: Story of Black Holes

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
