James Mooney's 'Calendar History of the Kiowa Indians' provides a comprehensive and detailed account of the calendar systems and time-keeping practices of the Kiowa people. Through meticulous research and analysis of Kiowa oral traditions, Mooney uncovers the intricate ways in which time was conceptualized and organized within the Kiowa culture. His writing style is academic and informative, making the book a valuable resource for scholars and students of Native American studies. Mooney's work is situated within the context of late 19th-century ethnographic studies on American Indian tribes, highlighting the importance of preserving and documenting indigenous knowledge. This book is a significant contribution to the understanding of Native American cosmology and the ways in which different cultures conceptualize time.