An introduction to exchange-traded funds for anyone who wants to understand how investing works before getting started. Written in a question-and-answer format, the book explains what ETFs are, how they differ from stocks and mutual funds, what fees to expect, and the risks involved. It also covers how to choose funds and avoid common mistakes that many beginners make. The book also introduces basic investing habits such as holding for the long term, investing regularly, and managing risk. A fine starting point for readers who want to understand ETFs before making their first investment decisions.