ISBN-13: 9781409414438 / Angielski / Twarda / 2010 / 240 str.
ISBN-13: 9781409414438 / Angielski / Twarda / 2010 / 240 str.
Edited with introduction and notes. The main pagination of this and the following volume (Second Series 77) is continuous. This is a new print-on-demand hardback edition of the volume first published in 1935.