Abstract: Stated in general terms, the present invention is directed to a desk apparatus attachable to a shopping cart for providing a stable surface supported at an angle convenient for viewing or writing by the shopper. The desk apparatus is supported by one or more walls of the shopping cart, especially the back wall, and is readily foldable or, alternatively, removable so as not to interfere with existing cart functions such as nesting or unloading. The desk platform has a hinged lid compartment for storing shopper's items such as coupons, lists, or the like.