On 19.11.2019. students from 5A, 7B, 8th and 12th grade from "Ivan Vazov" Secondary school - Sopot had a lesson at the school of Miss Rada Gospojina. The occasion was the opening of a mobile exhibition "Hristo G. Danov - the bookkeeper who had been called a minister". The editor of the Plovdiv Regional Museum of History, Mrs. Vera Kissova, presented the life and work of the founder of the Bulgarian book publishing. She read interesting points from the old printed editions and gave the School Library Mutual Tables.