Locksmith's Reader

 is a skill magazine in Fallout: New Vegas. It increases your lockpick skill.

Locations

 * In a mailbox in Goodsprings. Follow the road north of Doc Mitchell's house until you come to a path leading to the water tower.  Follow the path to the second house on the left.  It is inside the mailbox.
 * Given to you by Sunny Smiles inside Prospector Saloon.