From the moment Ethan Sparks lands on the Greek Island of Santorini, he thinks his assignment for The Young Explorer Magazine is a bad joke. The thirteen-year-old reporter is covering his dad's latest archaeological dig-and it's a weird one. A modern-day oracle in Delphi has uttered that Poseidon's Trident really exists. Now Ethan's father believes the Trident is buried in a volcanic ledge under the Aegean Sea. Dr. Sparks wants to use the latest underwater archaeology equipment to find the Trident, but his usual backers refused to fund such a ridiculous expedition. When Spiros, a wacko...

From the moment Ethan Sparks lands on the Greek Island of Santorini, he thinks his assignment for The Young Explorer Magazine is a bad joke. The thirteen-year-old reporter is covering his dad's latest archaeological dig-and it's a weird one. A modern-day oracle in Delphi has uttered that Poseidon's Trident really exists. Now Ethan's father believes the Trident is buried in a volcanic ledge under the Aegean Sea. Dr. Sparks wants to use the latest underwater archaeology equipment to find the Trident, but his usual backers refused to fund such a ridiculous expedition. When Spiros, a wacko...