The Library can be purchased from the Shop for 350,000 coins at level 55. It boosts the population by 3100 and occupies 5×5 squares. It requires the completion of the quest below to build.

Library Quest List

Libary I
5 Architects (can be trained at the University).
Collect profits from the Subway Station 35 times.
Deliver goods to Bakery 35 times.

Construction stage: 2/12
6 Stones for Foundation (ask your friends).
4 Drills (ask your friends).
4 Wooden Beams (made at the Cargo Port).

Library II
25 Concrete Compounds (made at the Construction Factory).
25 Nails (get them from your friends’ cities).
9 Spatulas (ask your friends).

Construction stage: 4/12
4 Concrete Slabs (made at the Cargo Port).
5 Steel Beams (made at the Cargo Port).
6 Pipes (ask your friends).

Library III
3 Constructors (can be trained at the University).
6 Designers (can be trained at the College).
12 Leather Sofas (produce in Furniture Factory).

Construction stage: 6/12
5 Bricks (made at the Cargo Port).
4 Reinforcements (made at the Cargo Port).
6 lots of Glass (ask your friends).

Library IV
12000 goods (will be deducted).
Deliver goods to Coffee House 20 times.
45 Corn crops (grown at the Farm).

Construction stage: 8/12
7 Planks (made at the Cargo Port).
5 Plastic Pipes (ask your friends).
5 Marble Tiles (ask your friends).

Library V
40 Parquets (made at the Construction Factory).
20 Hearts (you can get them from the “Love” Reality Show, Wedding Palace, and Filming Location).
Deliver goods to Shoe Shop 40 times.

Construction stage: 10/12
5 Bricks (made at the Cargo Port).
5 Reinforced Logs (ask your friends).
6 Ceramic Tiles (ask your friends).

Library VI
15 Fire Extinguishers (drop from the Water Tower).
6 lots of Monitors (made at the Electronics Plant).
12 Ancient Books (ask your friends).

Construction stage: 12/12
6 Planks (made at the Cargo Port).
4 Elevators (ask your friends).
4 Security Cameras (ask your friends).