The Ocean Squid Explorers' Club

In this fourth explorers adventure we meet Ursula, a part mermaid girl who is determined to follow in Stella's footsteps and help her to defeat the Collector! Ursula knew the submarine wasn't designed to go this deep, but what choice did they have? No one wanted to get swallowed up by a colossal sneezing jellyfish! In a distant watery corner of the Explorers Kingdom, a submarine engin...