Kaunas, Lithuania: Verlag S. Glatt, 1932. Paperback. 2. Auflage [2nd ed.]. 225, [1] p.: 2 leaves of portraits of Einstein, 1 leaf of a facsimile of a letter from Einstein to the author; 24 cm. Original brown wrappers printed in black. Portraits of Einstein are tissue-guarded. Engraved initial letters and..... More