(Paperback)

When graffiti starts appearing on buildings all over Aquamarina, Violet and Wally follow the clues to find the culprit! In Book 3 of the series, join the Undersea Mystery Club as they explore the ocean to help their aquatic friends!

(Paperback)

In Book 2 of the Undersea Mystery Club series, Violet and Wally discover an old chest hidden in a sea cavern. In order to uncover who put it there, theyll have to figure out how to open its rusty lock!

(Paperback)

When pieces of equipment start disappearing from the new Aquamarina playground, it's up to Violet the mermaid and her best friend Wally the narwhal to solve the mystery. Back matter includes ocean science and civil engineering facts.

(Hardback)