Small octavo (7 1/2 by 5 1/2 inches) 306 pages plus publisher's advertisements, Westminster, England: Archibald Constable & Co., 1898 ". . . with coloured frontispiece and forty-four full page illustrations from photographs," original blue cloth over boards, good condition (worn spine, not affecting contents), title in gilt, and gold embossed representation of a balloon in flight, on front cover.

The author " . . . was a Swedish engineer, physicist, aeronaut and polar explorer who died while leading an attempt to reach the Geographic North Pole by hydrogen balloon."