Even the light patch visible was equally wet. Some of the blotter adhered to the leather cover but was easily removed with light rubbing without any damage. Water removed comes to 55.8 grams, roughly 56 ml of water. Blotting and bag removed. The cover is now patchy not from water damage but from the light leather where it has dried.
Pages are still flat and there are no visible signs of damage .
They are now becoming dry enough to be handled almost normally. Low pressure packing is showing how dry the pages are becoming opening them out to a much greater extent.