"American Big Game in Its Haunts: The Book of the Boone and Crockett Club" edited by George Bird Grinnell is a historical account written in the early 20th century. The book primarily focuses on the preservation and admiration of North America's big game animals, delving into hunting practices, conservation efforts, and detailed descriptions of various species and their natural habitats in the wild. The opening of the book introduces its central themes, detailing the founding of the Boone and Crockett Club by Theodore Roosevelt and fellow big-game hunters. It underscores the urgency of wildlife preservation against the persistent threats posed by increasing human activity, particularly during the Alaskan gold rush. Roosevelt's visit to Yellowstone National Park serves as a case study, illustrating the positive effects of protecting wildlife and establishing game refuges. The initial chapters set the stage for a deeper exploration of North American mammalogy, big-game habitats, and the evolving relationship between humans and the wilderness. (This is an automatically generated summary.)