Chuck Frey is the founder and publisher of the InnovationTools website - the world's largest site that is focused on innovation and creativity - and the Mind Mapping Software Blog, the leading blog focused on this type of productivity software.
He's also just published an e-book entitled "Creativity Hacks: Shortcuts to Help You to Crush Your Challenges & Live a Kick-A** Life." You can read more about it here.
According to Chuck: "My goal is to energize people to use their latent creative energies to solve the challenges in their lives. This book not only crushes the myth that creativity is inborn, but also shows specific techniques anyone can use for generating ideas, solving problems and, above all, for cultivating the richness that only a creative life can provide. It contains a significant amount of content about visual thinking, and how to do it effectively."
I've had a preview of the book, and it would be an invaluable addition to your library or a great gift.