The ‘13 Centuries of Bulgaria’ National Endowment Fund, on 27 July 2022, donated 100 volumes on Bulgarian history, language, culture and natural landmarks to the library of the Aprilov National Secondary School in Gabrovo.
The books were printed by various publishers, including St Kliment Ohridski University Press, Balkan Press, Ciela, the Az Buki National Publishing House, Colibri Publishers, and NEF ‘13 Centuries of Bulgaria’.