• Bolstad Textbook:   Chapter 2 (pgs.  44-52), Chapter 9 (Raster Buffers on pg 372; Raster Overlay on pg 378), Chapter 10 (pgs 407-442)
• ESRI: Raster & Image data

http://desktop.arcgis.com/en/arcmap/latest/manage-data/raster-and-images/what-is-raster-data.htm)
              - Introduction (all subsections)
              - Fundamentals of Raster Data (all subsections)
              - Processing & Analyzing Raster data (all subsections)

• ESRI: Spatial Analyst

http://desktop.arcgis.com/en/arcmap/latest/extensions/spatial-analyst/what-is-the-spatial-analyst-extension.htm
              - Introduction (all subsections)
              - Perform Analysis (all subsections)
              - Map Algebra