SINOPSIS DEL LIBRO

<p>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!<br><br>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!<br><br><br>In a distant watery corner of the Explorers Kingdom, a submarine engineer, Ursula, is determined to become an ex...Seguir leyendo