Warsaw 1954, Nasza Księgarnia. 14.5x21 cm, pp. 251, 256 (2 volumes in 2 volumes - set), black and white illustrations in the text, publisher's hardcover. Very good condition (minor dents at the edges of the back covers).
Translated by Boleslaw Kielski. The cover was designed by Krystyna Witkowska. Illustrations reproduced from the French edition.