Discovery Book Auctions is a joint venture of Cameron Treleaven, proprietor of Aquila Books, Calgary , Alberta , Canada , and Bob Finch, formerly dba High Latitude Books of Bainbridge Island, Washington, USA.

Bob Finch issued his first travel & exploration catalog in 1978 while living in California . Moving to Washington state in 1983, he begin to specialize in polar exploration books & ephemera, changing the business name to High Latitude Books. During the years 1978-2002, he issued over 80 catalogues and offering thousands of scarce and rare books in the fields of arctic and Antarctic exploration, Pacific voyages, sailing ships & the sea, etc., plus many lists of out-of-print books in related fields. High Latitude also conducted two highly successful auctions of polar related books & ephemera, one in 1996 featuring the Antarctic collection of William D. Priested, M.D., the second in 1999 featuring the polar collection of Louis Starr.

Cameron Treleaven started Aquila Books in the basement of his home in 1984.  Since then Aquila Books has grown, and Cameron has now maintained an open retail shop for 20 years.  Aquila Books offers Western Canada's finest selection of:  Polar Exploration, Hunting & Fishing, Mountaineering, Maps & Prints, Canadian Pacific Railway, Early Voyages, Historic Photographs, Autograph Letters, Ephemera, and Antique Scientific Instruments.  Cameron makes twice yearly buying trips to the U.K., and is always looking to purchase significant collections large or small. Aquila Books puts out a colour illustrated catalogue twice a year on Polar, Klondike and related fields.