This is an excellent book for those just starting out with drawing and also intermediate level students. There is good basic information on how to use pencils, as well as creating value and textures. There are exercises design to help you incorporate perspective in your drawings, including drawing cubes, cylinders and conical objects.
Pencil Drawing Techniques [...]

“This book is about drawing; about the experience of drawing and seeing drawings; and about the possibilities of extending our traditional concepts concerning the parameters of drawing”, R. Kaupelis
Experimental Drawing by Robert Kaupelis is a very good text on the infinite varieties of drawing. Written by a college art professor, it is intended for beginning [...]

Painting Beautiful Watercolors from Photographs, by by Jan Kunz
This is a wonderful book if you are interested in learning about using photographs as reference material. The author gives explicit information on photographing flowers, people, animals and still life. She includes tips on lighting and painting the illusion of light.
She also includes solid information on making [...]

Finding Your Visual Voice: A Painter’s Guide to Developing an Artistic Style
Almost every book about succeeding as a full-time artist tells you to have a “cohesive body of art”  before approaching a gallery.
That means at least eight to ten paintings in the same style.
However, if you’re like me, you just paint. You don’t think about [...]