Walmart offers the Sauder Beginnings 3-Shelf Bookcase, model no. 409087, in Cinnamon Cherry, Highland Oak, or Soft White, for $25. Opt for in-store pickup to avoid the $4.97 shipping fee. That's the lowest total price we could find by $13, outside of the mention below. It features two adjustable shelves and a laminated finish.

A close price: Mills Fleet Farm has it for $17.49 plus $7.95 for shipping.