A simple guide book for Return on Investment (ROI) of all common college majors at the bachelor's level. Which majors are worth it? Which majors are not worth it? This is the book that tells you which majors are useful, and warns you which are useless! Student debt in America is now over $1.3 trillion. That’s trillion with a “T”! Students and parents need to be warned, before investing their life savings in college! This simple guide book tells you which majors have good Return on Investment, and which majors have poor Return on Investment, based on data from the US Department of Education, and the US Department of Labor. This is the answer to former Secretary of Education William Bennett’s book, “Is College Worth It?”. The answer is, “It Depends on Your Major!” All common majors are presented, with clear flags indicating whether each major’s Return on Investment is good, fair, or poor. This is critical information for parents, students, teachers, employers, and government.