To answer questions about Creativity, Inc.: Overcoming the Unseen Forces That Stand in the Way of True Inspiration, please sign up.
Sameer Mathad I would also suggest How Google Works. Great read to find out how projects are conceived at Google and the creative process that has been established to nurture the projects to life.
Maedeh Havaei The artist way from Julia Cameron is about creativity. it's not about business. but very helpful and great for creativity at work.
Ryan Campbell I'd go for work rules, by Lazlo Bock, it is also about Google but more from an HR (or as they call it, people operations) perspective.