I'm in the process of building a G&G inspired desk. I've filmed the process which you can watch if the mood strikes you.
part 1: https://www.youtube.com/watch?v=SEOCk6P1Cx0
part 2: https://www.youtube.com/watch?v=W7uyPGSeW4c
part 3: https://www.youtube.com/watch?v=zsFa54QzkK0
I'm knocking out the drawers now and will start on the lid in a few weeks.