TOM SWIFT AND HIS GIANT MAGNET or Bringing Up the Lost Submarine, #35.
Edition: First edition.
New York: Grosset & Dunlap, (1932). Hardcover first edition - Glossy frontispiece by Nat Falk. The last title on the series listed on the verso of the title page and at end of book. Both lists also list to Don Sturdy on the Ocean Bottom (1931) 216 pp., plus 4 pp publisher's ads. Bound in the rather uncommon first issue binding in tan boards with the "quadrant" illustrations in red and black on the front cover.
Condition: Very good overall - corners slightly bumped, some minor soiling and wear to covers, usual toning to pages, previous owner's name dated 1933.