The Treasure at Dolphin Bay (The Hardy Boys Mystery Series #129) -

Franklin W. Dixon

Minstrel Books / Simon Pulse

1994

160 páginas

5h 20m

ISBN-13: 9780671872137

The Treasure at Dolphin Bay is the 129th book in The Hardy Boys series. It was first published in December 1994 by Minstrel Books (an imprint of Simon & Schuster): Frank and Joe are in Hawaii at a dolphin research center, where they discover that one of the dolphins has suffered a suspicious injury and one of the researchers has vanished...
====
https://hardyboys.fandom.com/wiki/The_Treasure_at_Dolphin_Bay