In the seventh book of the A to Z Mysteries an early chapter book mystery series featuring strong boy and girl characters Dink, Josh, and Ruth Rose go to Florida on vacation. Sun, sand...and sunken treasure? They hear that someone's found an old shipwreck. Two men are collecting money in order to bring up the gold, and they're promising to share the wealth beneath the waves. Is the offer too good to be true? It's up to Dink and his friends to get to the bottom of it!