Bittersweet Oasis: A History of Ashcroft and District, 1885-2002, originally authored by Brian Belton, provides a comprehensive historical account of the development of the village of Ashcroft in British Columbia's Thompson region. The book chronicles Ashcroft's foundational years as the bustling "Gateway to the Cariboo," detailing how its position at the intersection of the Canadian Pacific Railway and the Cariboo Wagon Road fueled its early economic boom. It further explores the community's cultural and economic evolution, highlighting the vital contributions of early pioneers, Chinese laborers, and a thriving agricultural sector famous for its tomatoes and potatoes. Ultimately, the narrative captures the enduring resilience of the district's residents as they successfully navigated devastating fires, shifts in regional transportation routes, and changing industries over more than a century.