Alex Bell

In this fourth explorers adventure we meet Ursula, a part mermaid girl who is determined to follow in Stellas footsteps and help her to defeat the Collector!

Ursula knew the submarine wasnt 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 engineer, Ursula, is determined to become an explorer. Unfortunately, she hides an extraordinary secret, which makes her the sworn enemy of the Ocean Squid Explorers Club were they ever to find out . . . But when The Collector threatens the Club, Ursula throws caution to the wind and leads an expedition t