A baler is an important piece of farm machinery that transforms cut crops, such as hay, into compact bales that are easy to transport and store. Readers who have seen a picturesque field dotted with yellow bales of hay will love exploring balers and how different shapes of bales meet the needs of a farm. Bales and the machines that make them are shown in bright, colorful photographs. The straightforward text explains the parts of the machines, how...