Tucked somewhere in the works of Helen Gurley Brown, Donald Trump, Dale Carnegie, and others are words of wisdom that might help in your career. Whatever! Don’t comb through all those; just rely on Megan Hustad. The former book editor immersed herself in "success literature" and distilled her findings into the slim, doodle-covered How to Be Useful: A Beginner’s Guide to Not Hating Work. Insight No. 1: “Just be yourself” … is bad advice.