Using an interactive question-and-answer format and content grounded in a child's immediate world, the Big Book of Why delivers lively information, hands-on games, simple recipes, crafts, and more. What makes a car go? How does mushy dough become a crispy cookie? What does the doctor see in my throat? An essential parent reference, The Big Book of Why invites children to ask big questions, think big thoughts, and get answers that are accurate, engaging, level-appropriate, and based on sound educational findings.