I have assembled many units in the past and this one was missing some instructions about how the top would be attached.  Lucky I can work without much instruction and got by it.  BUT as I got to looking more closely at the top (finished side) there is a crack in the finish.  It doesn't go all the way through, but makes it unsightly to look at. The packing was perfect so I must assume it was sent out from the supplier with the flaw all ready in it.  Quality control was lacking.  This unit should not have gone out for sale...  Would I purchase again???  YES, but I won't be needing a desk again...