Sign Painters by Faythe Levine and Sam Macon
There are some truly beautiful pictures in Sign Painters by Faythe Levine and Sam Macon. It features interviews with over 25 US sign painters, young and old, who talk about their methods and inspiration.
The book is available from Amazon and other good bookshops. For more information on the book see the Princeton Architectural Press website. There's a film due out next year - see the Sign Painters website for details.