Textbooks are ridiculously important this time around. You can improve your explosives, gun skills, crafts and more with the right training manual. They're all missing, too - it's possible to complete the game without finding these manuals! You're just going to miss a lot of the game. Keep a checklist of all the locations with the full list below. We're keeping spoilers to an absolute minimum here.
All safes and locations combined | Safecracker Trophy Guide | All gun, bomb and holster locations | High Caliber Trophy Guide | Uncharted & Jak & Daxter Easter Egg Guide
All Training Manual Locations | Companion Trophy Guide
Chapter 9: Downtown
Training manual # 1: Crafting - In downtown Seattle, reach the top of the ruined bridge where the fire truck is located. Throw the fire hose away and use it to tip over to the fallen piece of concrete underneath with a military truck that would otherwise be inaccessible. The precious crafting manual is in the truck.
Chapter 11: Capitol Hill
Training manual # 2: Stealth - In the overgrown streets, look for a store marked "BOOKS" - crawl out the window, then enter the cafe attached to the bookstore. The training manual can be found on the desk at the back right.
Chapter 16: Hillcrest
Training manual # 3: Accuracy - Enter the window of the Goldstar liquor store, then go down to the basement and find a cracked wall in the adjoining room. Crawl and go up the stairs. The manual is on the floor near the reception.
Chapter 18: The Seraphites
Training manual # 4: Explosives - Once Ellie locates "Route 5", look to your left as you walk towards a large building on the left. Get on a truck to reach the high awning, then go through the window. From this room, find a dark bedroom. The training manual is on the edge of the bed.
Chapter 25: On Foot
Training manual # 5: Covert Ops - In the boat house, use the ladder to close the gap and reach the suspended ship. The manual is in the cab below.
Chapter 28: Hostile Territory
Training manual # 6: Close Quarters - At the start of the level, once you reach the ground, cross the 'CHINA TOWN' alley and go up through the window in front of the 'Fabric & Imports' store. The manual is on the kitchen counter inside.
Chapter 30: The Forest
Training manual # 7: Firearms - After entering the garage, you will find a workbench on your left. Enter the office on the right and keep turning right to return to a room with this easy-to-miss training manual.
Chapter 31: The Coast
Training manual # 8: Order - Found on the transit authority ship crashed. After the crossbow, you can continue up the stairs to the ship's control room. The security code is 90-77-01.
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