The fair will feature 266 exhibitors, including Chinese publishers. It will be open from 10am to 8pm and on Sunday, the last day of the fair, it will be open until 9pm.
Visitors will have a chance to meet and talk with Croatian and foreign authors.
Last year the Interliber fair was visited by more than 130,000 people.
The Zagreb Trade Fair Centre will also host the Infogamer by Reboot fair, from November 11 to 15.