A = 4
B = 2
C = 8
D = 6
nick: Pony
serv: midsummerx1
A = 4
B = 2
C = 8
D = 6
nick: Pony
serv: midsummerx1
5-6-0-1-3-2
Crocodile
tx3.travian.com
answer: 39
Crocodile
It is because books are under the door.
While escaping the thief would first ruin the library and than escape openning the door and pushing books with it.
The books hasn't been pushed, which means it was librarian who did all the mess right after the thief was gone.