Below are some books to help your creativity while brainstorming on a design project.

Ways of Seeing, John Berger, 1995. Info on Amazon

Designing Large-Scale Web Sites: A Visual Design Methodology, Darrell Sano, 1996. Info

Envisioning Information, Edward Tufte, 1990. Info

Information Design, Robert Jacobson, 1999. Info

Graphic Design Manual: Principles and Practice, Armin Hofmann, 1965. (out of print) Info

The Spirit of Colors: The Art of Karl Gerstner, Karl Gerstner, 1981. (out of print) Info