Book excerpt: Publisher's Note: Products purchased from 3rd Party sellers are not guaranteed by the Publisher for quality, authenticity, or access to any online entitlements included with the product. This substantially updated edition is clear and concise, packed with precisely written summaries of developmental and behavioral issues for all pediatric clinicians and other healthcare professionals. In a succinct, heavily bulleted style, the authors offer practical guidance on addressing important questions many parents ask about their children’s development and behavior. Ideal for the busy clinician to quickly and efficiently access helpful clinical information on the fly.