The famine is coming to an end. Where are the books?

Above the tentacle. Famine is an action adventure survival game developed by KleiEntertainment. Doomsday is the game mode in the game, and the book is the prop magic book in this mode, which can be obtained in the following ways:

1. First of all, players need to live in this game for 100 days.

Secondly, challenge the boss and beat it.

3. Finally, go to the boss's tentacles to find books.