The first four books in the Jak Barley series. Pay for three books and get a fourth one free.

Jak Barley-Private Inquisitor and the Temple of Dorga, Fish Headed God of Death

Private Inquisitor Jack Barley gets no respect as dubious investigations drag him into contact with dreadful phantasms, irate harpies, malicious mages and royal plots.

Jak Barley-Private Inquisitor and the Case of the Seven Dwarves

Private Inquisitor Jak Barley wonders if his drinking cohorts at the King's
Wart Inn are playing an elaborate prank on him. What else is he to think
when seven dwarves want his help against a wicked witch they blame for
poisoning an innocent young maiden staying with them named Frost Ivory?

Jak Barley, Private Inquisitor and the Case of the Dark Lords Conspiracy

Private inquisitor Jak Barley is ready for some down time after battling Ghennison Viper Mages, being attacked by piss dragons, and fighting off priests of Dorga the Fished Headed God of Death. That is why Jak was not a bit amused to have a scruffy mage insist that he is to be one of a group of questers decreed in an ancient prophecy that must cross the icy Alf Mountains to foil the return of the Old Gods.

Jak Barley-Private Inquisitor and the Case of One Damned Thing After Another

Jak Barley, private inquisitor, hates cases involving damned creatures like vampires and zombies, but that's just what he finds himself helplessly in the middle of.