Walmart offers the South Shore Smart Basics 5-Shelf Bookcase in Chocolate for $43.89. Order via pickup to cut the price to $40.99. That's the lowest price we could find by $3, although most merchants charge $70 or more. It measures 30.75" x 11.5" x 71.25".

Update: The price has dropped to $40.99 before in-cart discount, $38.09 after.