If you want to increase team productivity, relieve stress, and be happier at work, you could hire a bunch of workplace consultants, invest in scream therapy, and put Pharrell Williams on repeat--or you could just read Humor That Works. Written by Andrew Tarvin, the world's first Humor Engineer, this a business book on humor. No, that's not an oxymoron. It really is a business book and it really is about getting better results by having more...