Deep Dive into Death (Penny Küfer Investigates 3)

Axel Sandorf, business magnate and visionary, has achieved what others have only dared to dream about: he is cruising the oceans aboard the largest private submarine yacht the world has ever seen.

Penny can’t believe her luck when she, of all people, receives an invitation from the elusive billionaire. It’s supposed to be a pleasure cruise under the sea—but where Penny goes, the first murder attempt isn’t long in coming. Instead of chasing exotic fish, the ambitious young detective is soon facing a poisoner who seems to be outsmarting her at every turn...