This edition is published in 2 volumes sold separately.
 Elibron Classics. Replica of 1908 edition by Archibald Constable & Company Limited, London.
Oversize maps are available as a free download. 
By Roald Amundsen, with a Supplement by First Lieutenant Hansen, Vice-commander of the Expedition. With about one hundred and thirty-nine illustrations and three maps.
Gjøa was the first vessel to transit the Northwest Passage. With a crew of six, Roald Amundsen traversed the passage in a three year journey, finishing in 1906.