Bethesda Ruins - Bethesda Offices East
This book is on a desk in a room just north of center on the map, by a pair of Missiles.
Broadcast Tower KT8 Area - Radio Signal Sierra Romeo Drainage Chamber
Near Broadcast Tower KT8, you will find a drainage chamber, grab the encryption key from a desk in the room through a door on the left, and use the computer terminal to open the secure hatch, the book is downstairs on the desk near radio signal Sierra Romeo.
Capitol Building - Hall of Columns
In a locked supply room [Hard] west of the turret in the middle of the level. The book is on a table.
Cliffside Caverns - Raider Outpost
You can find this book on a wooden shelf in the north-western corner of the level. It’s on the wooden platform in the room just east of the room with a tent.
Corvega Factory Area
South of the Corvega Factory, along a road south east of the red rocket you’ll find an overturned truck. In the back of this truck you’ll find a locked footlocker [Very Hard] with this book inside.
Fairfax Ruins - Fairfax Metro
Go east until you reach the large metro station room, then go down some stairs to the south. At the bottom turn east and go over some rubble. The book is on a slab of concrete near the end of a subway car.
Flooded Metro Area
Near the Flooded Metro between the Nuka Cola Factory and the Arlington Library, in a Pulowski Preservation Shelter.
Fort Constantine - CO Quarters
In the CO Quarters, downstairs in the basement. It’s the same room you find the Bobblehead - Big Guns . The book is under a stealth boy on a cinderblock, near the safe with the Bobblehead in it. There’s a dead wastelander nearby.
Georgetown/The Mall Metro
Enter through the Mall Northwest entrance and search the first ticket booth you come across. You can find this book inside, on the floor, leaning against a cash register.
From the entrance across the river from the Citadel (not from L’Enfant Plaza), head through the metro tunnel to the sewer. From here, go south through a door, down two flights of stairs, and through another door into a large room. From the flaming barrel, turn west and search one of the consoles near the railing. Aside from several clipboards you’ll find this book.
L.O.B. Enterprises Archives
In the L.O.B. Enterprises Archives, in the north-eastern most room. The book is on a desk by a computer terminal.
Mama Dolce’s - Mama Dolce’s Loading Yard
You have to get to the Arlington Cemetary to reach Mama Dolce’s. Head to the entrance to the Loading Yard that is farthest to the east on your map. You’ll enter into a raised area. The book is on the floor, near an ammo box.
Mirelurk Nesting Hole
In the Mall area, east of The Mall Southwest (the Hazmat Disposal Site L5) you’ll find a sewer Grate leading to the Mirelurk Nesting Hole. Head into the large southern area and jump up onto a ledge where you’ll find a dead Brahmin and a dead Mercenary. From here, go to the north-west, staying on the high ground and continue into a tunnel until you find a skeleton, a first aid box, and a wooden crate. On top of the latter is this book.
Museum of History - Museum of History Offices
On the second level in the middle room, you’ll find this book on a desk near Lincoln’s Repeater .
In the Museum Station, just north of the western-most entrance to The Mall. In a wooden crate in the ladies room.
Nuka Cola Plant - Factory Floor
In the room you enter to from the Capital Wasteland go over by the desk and loot up at the ceiling. You’ll find a hole in the ceiling with a filing cabinet looming above. Loot it to find this book.
Pennsylvania Avenue - Hotel
In an unmarked hotel just south of Pennsylvania Avenue Northewest you’ll find this book on a small table.
Reclining Groves Resort Homes Area - Barn
East of the Reclining Groves Resort Homes you can find a ruined barn, on the second story of which is a personal footlocker [Very Hard]. This book is inside.
Red Racer Factory Area - Scavenger Shack
North of the Red Racer Factory is a Scavenger-and more importantly his shack. His shack is located on an overpass of the highway just west of Arlington, along a road that leads to Grayditch. The book is on a shelf in the Scavenger’s shack, along with a D.C. Journal of Internal Medicine , and a Grognak the Barbarian book.
SatCom Array NW-05a
In the north-west corner of world map you’ll find SatCom Array NW-05a. Inside, on the ground floor, you’ll find the book on a table near a computer.
Springvale School Lower levels
To the far east of the map, past the very hard locked door that leads to the ant tunnels. You’ll find the book under the body of a dead Wastelander.
Statesman Hotel Mid level
On the level with the staircase leading to the Statesman Hotel Restaurant, the book is in a side room on a bookshelf.
Super Duper Mart Area
Between Springvale and the Super Duper Mart there is a ruined house next to a silo, within sight of the water tower. In the house on a shelf you’ll find the book.
During the quest “The Waters of Life” when you’re going through the Taft Tunnels you’ll come to an overflow terminal. In the room nearby you’ll find this book on a desk in the south-western corner.
Wheaton Armory Area
North of the Wheaton Armory you’ll find an elevated highways. Get on it and follow it until you find a bus you can explore. Inside you’ll find a bunch of electrical equipment and this book.