My undergraduate degree is Electrical Engineering, but the most important thing I learned was not anything about Maxwell’s Equations or electrons and holes – it was how to view the world in order to ask questions about it. That’s what Munroe does so brilliantly on his blog, What If? This book is a collection of posts from What If? and a few extra questions. The negative compared to the website is that there aren’t mouse-over jokes (although sometimes he puts that in there as a caption). The positive is that if you have the book, you have it forever. The website may or may not exist in a few years. I recommend for any scientific types in your life and anyone who likes to explore.