Yuval Noah Harari, "21 Lessons for the 21st Century, UK and US editions" ASIN: B079WM7KLS, ISBN: 1787330672, 0525512179 | 2018 | AZW3 | 368 pages | 1 MB/1 MB
Katja Kruckeberg, Wolfgang Amann, Mike Green, "Leadership and Personal Development: A Toolbox for the 21st Century Professional" English | 2011 | pages: 383 | ISBN: 1617355534 | PDF | 2,9 mb
Mateusz Kamionka, "Different Shades of the Past: History as an Instrument of Contemporary International Conflicts" English | ISBN: 3111000257 | 2023 | 211 pages | EPUB, PDF | 3 MB + 2 MB