Book excerpt: Where did the sunflower come from? How does it grow so tall? How can its thin stalk support such a large and heavy "head?" These and many other questions are answered in this dazzling book. Using lushly detailed illustrations and photographs, the book takes us inside the sunflower to examine its stem, root system, leaves, and flowering heads, proving an understanding of this unique plant’s structure, growth, flowering, reproduction, and cultivation.