This book was given to me by a friend around 1961 when I was starting out my art studies...it was …
Anyone who can hold a pencil can learn to draw. In this book, Bert Dodson shares his complete drawing system …
In trying to understand the atom, physicists built quantum mechanics and found, to their embarrassment, that their theory intimately connects …
The seminal work by one of the most important thinkers of the twentieth century, Physics and Philosophy is Werner Heisenberg's …
Providing students with an in-depth account of the astrophysics of high energy phenomena in the Universe, the third edition of …
Astronomy is one of the very few sciences where amateurs can make significant contributions and where amateur contributions are valued …
Variable stars are those that change brightness. They come in many varieties, but each one provides important information about the …
ASTRONOMERS’ OBSERVING GUIDES provide up-to-date information for amateur astronomers who want to know all about what it is they are …