"If you don't have the time to read, you don't have the time or the tools to write."

Here is Stephen King's master class on his craft.
On Writing begins with a mesmerizing account of King's childhood and his early focus on writing to tell a story. A series of vivid memories from adolescence, college, and the struggling years that led up to his first novel, Carrie, offer a fresh and often funny perspective on the formation of a writer.
King then turns to the tools of his trade, examining crucial aspects of the wriiter's art and life, offering practical and inspiring advice on everything from plot and character development to work habits and rejection.
King was in the middle of writing this book when he was nearly killed in a widely reported accident. On Writing culminates with a profoundly moving account of how his need to write spurred him toward recovery, and brought him back to his life.

source: http://www.simonandschuster.com/books/On-Writing/Stephen-King/9780743563376