Walmart offers the Orion 4-Shelf Bookcase in Oak, model no. 42344, for $19.88. Opt for in-store pickup to dodge the $4.97 shipping fee. That's tied with our mention from a week ago and the lowest price we could find today by $5. It measures approximately 25" x 9.5" x 47.5" and features a protective kick plate, adjustable shelves, and back panel.