Book excerpt: Filled with time-tested drills designed to improve every aspect of one's game, this updated edition is the ideal resource for any tennis player who wants to gain an edge on their competition. With more than 100 practice drills for both group and independent practice, readers will learn how to improve their serving, returning, groundstrokes, lobs, drop shots, approach shots, overheads, volleys, and much more. The singular, authoritative source for skill-enhancing drills, this guide is equally useful for beginning or advanced players of all ages.