In Anchorage Memorial Facility, in the infirmary on the west side, in an Average-locked floor safe under a table on the north wall of the room. If you used the Access Codes to unlock the terminal near the Nuka-Cola Vending Machine, you can remotely unlock the safe.
Enter through the front, going to the room straight ahead with a Giant Teddy Bear on a tricycle suspended in the air. If you jump on the barrels to the left of a machine so you are on top there is a tool box with the book next to it.
In the Raider hideout (in the tunnels behind sandbags. Enter the hideout, turn left, and enter the small room on your left. The book will be on the right corner behind toolbox (near generator).
In a small sewer area marked as 'Sewer Entrance' (not the sewer down the crater) on the local map in Vernon Square (at the end alley to the right of Cinema, opposite the Statesman Hotel). The book is on a table behind an Average locked door along with a Sawed-Off Shotgun.