Stephen Return Riggs' 'Mary and I: Forty Years with the Sioux' is a captivating memoir that provides a unique perspective on Native American culture and history. Riggs, a missionary and linguist, shares intimate details of his experiences living among the Sioux people for four decades. Written in a straightforward and engaging style, the book offers valuable insights into the daily life, customs, and struggles of the Sioux tribe during a crucial period of transition. Riggs' firsthand accounts of his interactions with Sioux leaders and community members bring a personal touch to this rich narrative. His dedication to preserving the Sioux language and traditions shines through in his portrayal of their resilient spirit and enduring traditions. 'Mary and I' stands out as a significant contribution to the ethnographic literature on Native American studies. Readers interested in gaining a deeper understanding of Native American history and culture will find this book both enlightening and enriching.