A Kiss of Mermaid: A Deadly Inheritance Novel

Eric Campbell spent his life collecting evil artifacts from around the world that must be kept under lock and key to keep the world safe.
But now he's dead.
Jax watched the creepy "lawyer" lady give his cousin, Trevor, his "inheritance". He took his own flimsy packing box without question because he already knew what lay inside. But on his way to meet his family for the holidays, he's waylaid by Trolls. Now Jax has to count on his classmates to help him reach his destination because he's carrying a very delicate pearl egg with an extremely dangerous and bloodthirsty cargo.
It's a ticking time bomb.
Marnie, the long lost and forgotten Campbell cousin, waits at the bottom of the ocean for someone to rescue her. She has the answers her cousins need, but she has already died once.
She's terrified she'll die again.
How long can you hold your breath?