Tom Swift and His Undersea Search; Or, the Treasure on the Floor of the Atlantic

"Tom Swift and His Undersea Search; Or, the Treasure on the Floor of the Atlantic" by Victor Appleton is an early 20th-century adventure about a young inventor named Tom Swift and his friend, Ned Newton, who hear whispered tales of sunken treasure and get pulled into a hunt for riches deep in the Atlantic. A mysterious character, Dixwell Hardley, offers them a chance to find the lost treasures of the Pandora, sparking a journey filled with trust issues and peril. Tom and Ned prepare their submarine, now named the M.N. 1, but a trial run goes wrong when they get stuck, testing their skills. Conflicts arise, mainly around the secretive Hardley and his link to Tom's fiancée's uncle, setting the stage for a suspenseful treasure hunt.

Victor Appleton was a house pseudonym used by the Stratemeyer Syndicate and its successors, most famous for being associated with the Tom Swift series of books.