Do libraries (for instance) "stack"?

This is a rookie question, I know, but is there a need to build more than one library, if the reward it gives is "opens up new (scrolls/potions/whatever)"?  Does building three libraries open up three times the number of things?

 

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Reply #1 Top

They do stack.  Do not know if it is linear i.e 1 lib = x new recipes, 2 = 2x ..   Suspect it selects from a random list for each new lib.

Reply #2 Top

Thanks!