Perhaps it's too late to get it for Christmas, but let me suggest a good read, as they say. It's written by a friend of mine, Scott Page. It's entitled The Difference, and it's about diversity of viewpoints and how they can help solve problems.
Theories on problem-solving have always interested me. The funny thing is, when I first heard about The Difference, I thought it might make an interesting companion piece to another intriguing book, Fooled By Randomness, by Nassim Nicholas Taleb. So I checked out Page's page at Amazon.com and in the "Customers who bought items like this also bought " section, Taleb's book was at the top of the list.
Anyway, order a few copies and watch its Amazon rank climb.