The Cardinal’s Shadow (The Gus Harper K9 Thrillers Book 4)

A conspiracy that reaches from a dead village in El Salvador to the highest corridors of power at the Vatican.

A secret someone will kill to protect.

Gus Harper, a military veteran, wanted the quiet life — just him, his boat, and Arty, his fiercely loyal retired war dog. Three times that plan has gone sideways. This time, it may not survive at all.

When Cardinal Santoro travels to South America and stumbles across something he was never meant to find, a chain of events is set in motion that reaches into the darkest corners of Rome.

By the time a desperate message arrives on Gozo, Gus knows two things: powerful people are involved, and nothing about this is what it appears to be.

To find answers, he must do something no sane man would consider; drive up to the front door of a Sicilian crime family - and confront them.

What follows takes Gus and Arty into mountain terrain against armed men who have no intention of leaving witnesses.

But they are not alone. Across continents, old friends drop what they’re carrying and come — because Gus Harper never asked for help he didn’t need, and he’s asking now.

The clock is running. The walls are closing. And a buried secret is fighting its way to the surface - unless those who profit from the lie can bury it forever.

Some shadows follow you home. This one followed them from Rome.