Biosocial Synchrony on Sumba: Multispecies Relationships and Environmental Variations in Indonesia examines biosocial change in the Austronesian community of the Kodi by examining multispecies interactions between select biota and abiota. Cynthia T. Fowler describes how the Kodi people coordinate their mundane and ritual practices with polychaetes and celestial bodies, and how this synchrony encourages and is encouraged by social and ecological variations. Fowler grounds her anthropogenic environmental research with information from geospatial science, marine ecology, astronomy, physics, and astrophysics.