Warsaw 1956, Nasza Księgarnia. 14.5x21 cm, pp. 367, black and white illustrations in the text, fold-out black and white map at the end of the book, publisher's hardcover. Very good condition (minor rubbing of the edges and corners of the cover).
A classic of adventure novels for young people. First edition in this publishing house. Translated by Maria Zajączkowska. Illustrations by Mieczyslaw Majewski. Cover and title page designed by Andrzej Radziejowski.