Discoloration, Tanning or Foxing on cover and pages. Cocked Spine. Cardboard showing on corners

Discoloration, Tanning or Foxing on cover and pages. Cocked Spine. Cardboard showing on corners and/or edges. Stains on Edges of Pages. Used-Acceptable. Reading Copy. May have damage to cover, notes, underlining, highlighting, but all text legible. May have tears ro DJ or missing DJ. "Our Business is Changing Lives."