Einstein, Albert. Theorie relativity specielni I obecna [About the Special and General Theory of Relativity in Plain Terms]. Translated by Vaclav Stibr. Prague: Fr. Borovy, 1923. 8vo. 103 pp. Includes foreword in original German which Einstein wrote specifically for the first Czech edition. Good condition, wear and small tears to overlapping edges and 1-cm loss at lower spine. Light soiling and markings on cover. Crease and half-cm small tear at top right corner. Remnants of removed label on upper spine extending 2 cm to front cover. Pages clean, no stamps.