Browsing in the library the other day my daughter and I came across this:

They also had this:

Sacrilege! In the first one, Laura looks like she’s on the front of a Land’s End catalog; on the second one Mary is wearing a full face of makeup. The covers were published in 2007, timed with the series’ 75th anniversary. Evidently, they were not a big hit; the  HarperCollins Little House website has no trace of these covers whatsoever.