well it is less for those of us that has focused on warring, still books produced can easily be halved next age when we are back to 11-12 weeks length.

On labs only I've done almost as well as those that used schools in my kingdom at arround 1.6 million books or so and only really had arround 8-9 days mostly in warending where we could put in buildings and cast revelation reguarily. have gotten up to 2.5% increase a tic with revelaton on top of labs. Almost where I want to be for most categories which should not be the case this early in an age unless we are dumbing it down again so everyone get way over the previous soft cap.