Delilah's Day is a book about Delilah the cat, her sisters Jezzy and Nutmeg, and their trip to the Grand Teton National Park. Delilah and her sisters, ride a gondola at the Teton Village, stay at Signal Mountain Lodge, and get to watch the famous grizzly bear 399, emerge from her den with her new cub. They begin their journey in Jackson, Wy. They eat at the famous Million Dollar Cowboy Bar, and see the antlers on Jackson square.