Happiness comes from asking and answering one simple question: Is it a Hell yes!? If not, then it's a Hell no! — so don't waste your time with it.

Here is a secret and simple philosophy (an attitude, really) for living a happier life. Asking that one little question helps readers refocus their lives by inspiring them to simplify, purge, and not overcommit. Also inspiring are the amazing illustrations by James Yang.

This is the perfect self-purchase or gift. (It's perfect for graduation when kids are getting ready to tackle the real world.)