Public Knowledge

Public Knowledge is a quest in Fallout 4.

Quick walkthrough

 * 1) Talk to Daisy about work.
 * 2) Go to the library.
 * 3) Turn in the book.
 * 4) Kill all the mutants.
 * 5) Return to Daisy.

Detailed walkthrough

 * 1) Get the quest by talking to Daisy in Goodneighbor about work, the standard chance to bargain for more money will be available. Daisy will also give an overdue book and asks to return it.
 * 2) Head to Boston Public Library, the entrance you are guided to is locked with an Advanced lock, or by passing an easy Charisma check. There's another possible entrance through Copley Station, which is also locked.
 * 3) Once you get inside you will hear, and likely be caught up in, a crossfire between super mutants and the library's security, consisting of protectrons and turrets.
 * 4) There's a couple of book return terminals, one is right next to the quest marker entrance, turn in the overdue book plus any others you may have over to it, then clear the building, it will require a little exploration to find all the mutants.
 * 5) Return to Daisy for your reward

Journal entries

 * Go to Boston Public Library
 * Return the Overdue book
 * Clear the library of super mutants
 * Return to Daisy

Bugs

 * Throughout the commonwealth one may encounter a book return terminal along the travels. If the Sole Survivor returns the book into a book return terminal outside of the library the quest will keep on telling to return the book in a terminal inside the library even after clearing it of super mutants and the quest tells to return to Daisy. However, this will not ruin the quest, as once the Sole Survivor returns to Daisy, the quest will be completed.
 * Be sure to talk with Daisy before you clear out the Boston Public Library; otherwise, the quest cannot be started or completed. However, you will still receive caps for your services.
 * Sometimes even after accepting the quest from Daisy, it won't show up anywhere in your quest log. The dialogue option with Daisy to start the quest remains but no matter how many times you accept, it won't appear. You can, however, still complete the quest and obtain both the Caps and Experience reward (as well as adding to your total quests completed) but the quest entry still won't appear in your log.
 * After accepting the quest from Daisy (with animation about it started) you haven't received her overdue book (no text about "Overdue book" added to your inventory). After that may be other bugs started to play.
 * If the Sole Survivor accepts the quest but returns any book into a book return terminal outside of the library before completing the quest then quest would disappear from your quest log. The dialogue option with Daisy to start the quest remains and after cleaning the library you could say to her that you already did the job and receive your caps and experience, but quest itself would be missed from list of completed.

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