You can be an A -- an architect, a B -- a biochemist, a C -- a computer software developer, and so much more! It's all about doing what you love and putting your heart into everything that you do. In this alphabet book of careers, the options run from A to Z! And six-year-old social media sensation Sam White and his dad, Bobby, want every kid out there to know that they can reach for the stars and make their dreams come true, whatever they want to become. Just don't be a Z -- a zombie, and let the world pass you by.