Books are artist's best friends. Its always good to be prepared before take-off. Artist's life involves investment and hence involves risk and reading about it could only help.
There are millions of books available in your library nearest and all across the world. Few good reads for beginners that we came across are:
Venice in watercolor, by Joe Franics Dowden, this ready to paint book for beginners allows you to transfer artwork to watercolor paper and color it. It is good to begin with such books to gain confidence in building an artwork.
Perspective made easy, by Ernest R Norling, a book on perspective while sketching. Books written on this topic are very rare and it is one of the good ones.
Big book of drawing, by Sanmiguel, is encyclopedia for beginners. It describes materials and everything needed to build a good artwork.
The Artist's Handbook to Materials and Techniques, by Ralph Mayer, a big book which gives detailed information on virtually every art material used, and which is updated periodically to include new materials, which are always coming out.
Sketching masterclass, by Ruzaimi Rani, is basically a sketching guide having step by step instructions making it easy to get perfect sketch with ample details.
List of E-books which you have free access to can be found in the link below: