Some Good Reading (in no particular order)

Silversmithing by Finegold and Seitz
Jewelry: Concepts and Technology by Oppi Untracht
Form Emphasis for Metalsmiths by Heikki Seppa
The Colouring, Bronzing, and Patination of Metals by Richard Hughes and Michael Rowe
The Art of Chasing and Repousse' by Adolph Steins
The Complete Metalsmith by Tim McCrreight
The Complete Modern Blacksmith by Alexander Weygers
The Art of Metal Spinning by Paul Wiley
Chasing and Repoussé: Methods Ancient and Modern by Nancy Megan Corwin
The Art of Engraving by James B. Meeks
Zen and the Art of Motorcycle Maintenance by Robert Pirsig