fallout
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Skill books are special items which increase the player character's skills when used. In Fallout: New Vegas, they are not to be confused with skill magazines, with temporary effects.

Skill books were replaced with perk magazines in Fallout 4 and Fallout 76, as the skill system was merged with perks to create the game's new perk system.

List of skill books

Name Skill Fallout Fallout 2 Fallout 3 New Vegas Tactics
Big Book of Science Science Yes Yes Yes Yes Yes
Cat's Paw issue no.5 Energy Weapons No Yes No No No
Chinese Army: Special Ops Training Manual Sneak No No Yes Yes No
D.C. Journal of Internal Medicine Medicine No No Yes Yes No
Dean's Electronics Repair Yes Yes Yes Yes Yes
Duck and Cover! Explosives No No Yes Yes No
Fallout 2 Hintbook All No Yes No No No
First Aid Book First Aid Yes Yes No No Yes
Grognak the Barbarian Melee Weapons No No Yes Yes No
Guns and Bullets Small Guns, Guns Yes Yes Yes Yes Yes
Lying, Congressional Style Speech No No Yes Yes No
Maddock's Tricks & Traps Traps No No No No Yes
Motivational Secrets of the Stars Speech No No Cut content No No
Nikola Tesla and You Energy Weapons No No Yes Yes No
Paradise Lost Speech No No Yes No No
Pugilism Illustrated Unarmed No No Yes Yes No
Scout Handbook Outdoorsman Yes Yes No No Yes
Tales of a Junktown Jerky Vendor Barter No No Yes Yes No
Tumblers Today Lockpick No No Yes Yes No
U.S. Army: 30 Handy Flamethrower Recipes Big Guns No No Yes No No
Wasteland Survival Guide Survival No No Not a skill book Yes No
Zen & Art of Piloting Pilot No No No No Yes