Boston Public Library

The Boston Public Library is a location in the Commonwealth in 2287.

Background
Boston Public Library was the main public library in Boston, and was the United States' second-largest library, home to many books and historical records. The library offered lectures, readings, and recitals, in addition to art and architectural tours. Books could be loaned out, and then returned to any book return terminal in the Greater Boston Area. Upon the return of an overdue book, five tokens would be awarded, which could then be used to redeem a prize.

Layout
The library is O-shaped with an open patio in the center. The whole place is inhabited by protectrons and MKI turrets. It is also filled with super mutants of varying strengths depending on level. A booby trap with a three-grenade bouquet can be found inside near the entrance connected to the library from Copley Station. There is also a tripwire and single grenade bouquet at the back entrance (with the intercom). The Sole Survivor's actions can trigger additional waves of super mutants to attack the library's defences.

Notable loot

 * Intelligence bobblehead - In the mechanical room (northwestern side of building, 2nd floor, room has a closed but unlocked door on approach). On the large computer.
 * Stealth Boy and bottlecap mine - In the supply room off the northern room that contains the Intelligence bobblehead behind a Master-locked door.
 * The key can be found in the previous room in the northeast corner next to a terminal.
 * Massachusetts Surgical Journal issue #8 - Only obtained as a prize from the book return terminal in the southwest corner. Requires 50 book return tokens, equivalent to 10 overdue books. It's on the 2nd floor beside the entrance from Back Bay.
 * Six overdue books:
 * Three in the mechanical room; on the left side of the room upon entering, on the ground near the two sleeping bags and ammo box.
 * One in the women's restroom in a stall.
 * One in the main reading room on a shelf by the terminal (face the terminal and turn to the immediate west).
 * Enter the building through Back Bay (western) entrance. Head down the hall directly in front of the player, then through first hole in the wall on the left. Continue through this room through the doorway into the next room. The book is on the first desk one comes to.
 * Vault-Tec lunchbox on a table in the southwest room, near the overdue book machine (look right/east when facing the machine). Another lunchbox can be found in the underground station, in a baby carriage. One may wish to overturn the baby carriage as when the lunchbox is opened the prize may fall through the ground. Another lunchbox maybe found on the floor of the cafeteria to the left of the main entrance.
 * Three overdue books - In a Pulowski Preservation shelter to the south east of the buildings exterior.

Related quests

 * Public Knowledge - Clear out super mutants and return Daisy's book. The quest starts in Goodneighbor.

Appearances
Boston Public Library only appears in Fallout 4.

Behind the scenes
The location appears to be based on the Boston Public Library McKim Building in Copley Square. The libraries share many architectural features, and the main hall looks nearly identical to the Bates Hall of the library.

Bugs

 * One can get stuck inside the room in the bottom level after coming down the ramp. (The room connected to the open patio area) There's a room with junk piled in the door. It can be entered through the right hand side of the doorway, but it is not possible to leave without loading a previous save.
 * The game can freeze while receiving the Surgical Journal. It will not be possible to exit the book terminal and one will have the "Item Obtained" overlay stuck on their screen indefinitely.
 * Possible fix: Press the Enter key instead of the activate key.
 * The intercoms can be bugged. The normal dialogue being replaced with the generic lines used by the intercom just inside vault 81, after the door is opened. The only available option is to pick the locks which turns the turrets hostile.