Book excerpt: There is no such thing as asking too many questions. In that spirit, this book helps children explore the difference between "when" and "why" so they always have the words they need to nurture their curiosity. This book outlines the meaning of different types of question words and how to use them in conversation. With vibrant photographs and fun fact boxes that help young readers learn even more, this book will ensure that there is always a way for future questions to be asked.