"Berkeley and her best friend, Garth, live on an old cruise ship, scavenging for supplies from the drowned cities left behind on the ocean floor after the sea swallowed up all the land. They think they've seen every kind of aquatic creature, but they never expected to find sea monsters... After awakening a Hydra, Berkeley and Garth are sent to live on a submarine, where they study and hunt sea monsters. But the Hydra wants revenge on their home ship--and...

In this follow-up to the USA TODAY bestselling "utterly charming mystery" (Robyn Harding, author The Party) The Antique Hunter's Guide to Murder, Freya Lockwood and Aunt Carole are on the hunt once again to return priceless stolen antiques and catch a dangerous criminal abord a cruise ship.
When a painting vanishes from a maritime museum and a dead body is found nearby, the newly established Lockwood Antique...