Warsaw 1924. publishing institute "Biblioteka Polska". 11.5x16.5 cm, pp. 181, black and white illustrations in the text, publisher's cloth binding with gilt. Good condition (minor rubbing of binding, small crack in front of title page).
In contents: Technical tips and de omnibus rebus. Construction of the slipper. Movement. Tropisms. Food intake and digestion. Food selection. Secretion and respiration. Division. Conjugation. Psychology.