Book Sale
From Arkham Horror Wiki
Book Sale is a mythos card. It first appeared in the Dunwich Horror expansion.
Card Information
Mythos Type: Environment (Urban)
Gate Opens: Gate Burst at Wizard's Hill
Clue Appears At: *Gardner's Place
Mythos Ability: Investigators who end their movement in the Library may spend $2 instead of having an Arkham encounter. Any investigator that does so then takes the first Tome from the Unique Items deck.