Roald Amundsen's "The North-West Passage": Being the Record of a Voyage of Exploration of the Ship "Gjoa," 1903-1907. Volume 2.

This edition is published in 2 volumes sold separately.
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.