"American Pomology. Apples" by J. A. Warder is a scientific publication written in the mid-19th century. This work is focused on the study and classification of apples and aims to serve as a comprehensive guide for horticulturists and fruit growers in the United States, particularly those involved in pomological societies. It covers various aspects of apple cultivation including history, propagation methods, and management of diseases and pests affecting apple orchards. The opening of the book introduces the author's motivations for its creation, highlighting the pride in American agriculture and the specific needs of orchardists in the western states. Warder explains that although he originally intended to focus solely on descriptions of apple varieties, he was encouraged to include introductory chapters on the broader context of fruit-growing. This section outlines the importance of apples in American culture and agriculture, discusses the need for systematic classification within pomology, and emphasizes the significance of sharing knowledge among fruit growers to increase fruit cultivation's scientific support and appreciation. (This is an automatically generated summary.)