There are 8 books in the Monster Hunters International series. The newest book is Monster Hunter Bloodlines which came out in 2021.

2
Monster Hunter Vendetta

Book cover of Monster Hunter Vendetta
Owen Zastava Pitt, accountant turned professional monster hunter, managed to stop the nefarious Old One's invasion plans last year, but as a result made an enemy out of one of the most powerful beings in the universe. Now an evil death cult known as the C

3
Monster Hunter Alpha

Book cover of Monster Hunter Alpha
The third book in the break-out series and a follow-up to Monster Hunter International and Monster Hunter Vendetta. Earl Harbinger may be the leader of Monster Hunter International, but he's also got a secret. Nearly

4
Monster Hunter Legion

Book cover of Monster Hunter Legion
Monster Hunter International might be the premier monster eradication company in the business, but they've got competition. When hunters from around the world gather in Las Vegas for a conference, a creature left over from a World War Two weapons

6
Monster Hunter Siege

Book cover of Monster Hunter Siege
GO BIG OR GO HOME When Monster Hunter International's top hunter, Owen Zastava Pitt, was given a tip about some hunters who had gone missing in action, he didn't realize their rescue mission would snowball into the single biggest operation in MHI's histor

7
Monster Hunter Guardian

By Larry Correia , Sarah A. Hoyt,

Book cover of Monster Hunter Guardian
When Owen Pitt and the rest of the Monster Hunter International crew are called away to mount a month's-long rescue mission in a monster-infested nightmare dimension, Julie Shackleford-Owen's wife and descendant of MHI founder Bubba Shackelford-is left be

8
Monster Hunter Bloodlines

Book cover of Monster Hunter Bloodlines
IN A BUSINESS LIKE MONSTER HUNTING, IT'S ALL ABOUT SETTING PRIORITIES

The chaos god Asag has been quiet since the destruction of the City of Monsters, but Monster Hunter International know that he is still out there, somewhere-plotting, waiting for his c