Reddit mentions of The Two Worlds of the Washo: An Indian Tribe of California and Nevada (Case Studies in Cultural Anthropology Series)

These two ethnographies are easy/pleasant reads, frequently used in undergraduate courses:

• Marjorie Shostak, Nisa: The Life and Words of a !Kung Woman
  
• Jean L. Briggs, Never in Anger: Portrait of an Eskimo Family
  
  Ethnographies written almost solely for the purpose of introducing hunter-gatherer societies to college freshmen/sophomores include ...
  
  
• Richard B. Lee, The Dobe Ju/'Hoansi
  
• Colin Turnbull, The Mbuti Pygmies: Change and Adaptation
  
• James F. Downs, The Two Worlds of the Washo: An Indian Tribe of California and Nevada
  
• E. Adamson Hoebel, The Cheyennes: Indians of the Great Plains
  
• N. A. Chance, The Iñupiat and Arctic Alaska: An Ethnography of Development
  
• Hart, Pilling, & Goodale, The Tiwi of North Australia
  
• Robert Tonkinson, The Mardu Aborigines: Living the Dream in Australia's Desert
  
  These teaching ethnographies have been around for decades, so while they don't reflect current scholarship, it should be possible to pick them all up for a couple of bucks each, and I think you'd get a lot out of browsing them that's lost in comparative work.