Book excerpt: Everyone knows what a hay bale looks like, but how does it get into that shape? While baling equipment might not make it into farm stories among the classic tractors, animals, and tools, its usefulness on the modern farm is indisputable. Concise text guides readers through the uses of baling equipment, how it forms round and square bales, and what happens with the hay afterward. Full-color photographs and lively language keeps them engaged and interested in learning all about the exciting equipment that makes the hay bale.