Osi Books in Order
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The Osi series by Jes Battis includes 5 books published between 2008–2012.
✓ All 5 books verified against the publisher's official series list.
Publication order
In the order the books were originally released.
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Buy on Amazon2008 · Jes Battis
That’s a dead vampire, I thought. My boss dragged me out of bed at two in the morning to see a dead vampire? I might be an Occult Special…
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Buy on Amazon2009 · Jes Battis
With her tenacious spirit and relentless determination, Tess breaks all the rules in her pursuit of justice. After a series of brutal murders, Occult…
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Buy on Amazon2010 · Jes Battis
When a powerful necromancer is killed, Occult Special Investigator Tess Corday must handle the heavy politics in the occult community as carefully as…
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Buy on Amazon2011 · Jes Battis
A dead body on the beach turns out to be a live demon on the run from some of the nastiest bounty hunters in this dimension-or the next. Protecting…
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Buy on Amazon2012 · Jes Battis
From the author of Infernal Affairs comes a story of murder. mayhem, and demon relations. Is this really the vacation Tess was looking for? Though…
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✓ = numbering verified against the publisher's official series list.
Frequently asked questions
What order should I read the Osi books in?
Read them in publication order, starting with “Night Child”. Start with “Night Child.”
How many books are in the Osi series?
We list 5 books by Jes Battis , published between 2008–2012.
Where can I buy the Osi books?
Each title above links to Amazon. See our affiliate disclosure.
Reading order compiled from author/publisher guidance and verified bibliographic data. Spotted a wrong order, a missing book, or any other mistake? and we'll correct it.