| Special: This skill book increases your Big Guns skill by +1. |
| Obtained: |
| • Anchorage Memorial (Memorial Service Entrance) - Found behind northeast tunnel door (must repair or use Door Component) |
| • Arlington Cemetery North (Arlington Utility) - Found on shelf |
| • Arlington Cemetery South (Arlington/Falls Church Metro) - Found on chair inside large storage container |
| • Bethesda Ruins (Bethesda Offices East) - Found on raider's corpse |
| • Corvega Factory - Found on table inside tipped-over truck to the south |
| • Dupont Northeast (Sunken Circle) - Found on safe in northeast part of map |
| • Evergreen Mills (Southern Shack) - Found on shelf |
| • Falls Church / Mason District Metro (Franklin Metro Utility) - Found on shelf |
| • Farragut West Metro Station (Farragut West Station) - Found in locked storage room |
| • Five Axles Rest Stop - Found in truck |
| • Georgetown East (La Maison Beauregard) - Found on floor |
| • Grisly Diner - Found on the floor of the front half of a bus to the north |
| • Jury Street Metro Station - Found next to bed inside truck to the southwest |
| • L'Enfant Plaza - Found on shelf in Super Mutant camp on northeast area of map |
| • Little Lamplight (Murder Pass) - Found on table |
| • National Guard Depot (Armory) - Found in bunker |
| • Nuka-Cola Plant (Factory Floor) - Found in filing cabinet in ceiling |
| • Reclining Groves Resort Homes - Found with seven tin cans at the base of a tree to the northeast |
| • Red Racer Factory - Found at the base of the bed in the raider camp to the east |
| • Red Racer Factory - Found on generator in northeast corner of car dealership to the northwest |
| • Scrapyard - Found in John's Treasure Box inside northwest bus |
| • Takoma Industrial (Auto Shop) - Found on desk |
| • The Capitol Building (West Entrance) - Found on table in rotunda |
| • VAPL-58 Power Station - Found on ground next to grill (use ladder inside substation) |
| • Wheaton Armory - Found in locked armory |
