A book given to Chinese spies and infiltrators in America sometime before and during the Great War. The book provides practical information on infiltrating American society and bypassing enemy defenses.
Reading this book permanently increases the player's Sneak skill by 3 points (4 with Comprehension). The Courier can read it even though it seems to be written in Chinese.
In the eastern most room of the switching station there is a huge machine on the south side of the room. The book is located on the catwalk that runs around the machine. Its the only portion of catwalk in this room that you have to jump to.
On a bookshelf facing the wall (hidden from view) on the S/E landing up one flight of stairs from the ground floor interior entrance. Can be exposed by placing/throwing explosives onto the bookshelf, underneath the filing cabinet.