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O.L.S. Books in Order
Below you'll find the complete list of O.L.S. books in publication order. This is generally the recommended reading order for the series.
Reading order verified: March 2026
Quick Answer
What order should I read the O.L.S. series? Start with "Operation Large Scotch: O.l.s." (2017) and follow publication order through all 6 books.
The complete O.L.S. reading order is listed below in publication sequence.
Publication Order
Operation Large Scotch: O.l.s.
2017
She's Not a Lovely Girl
2019
Joppa Rocks
2020
Bloody Scotland Book Festival / Vengeance In Valescure
2021
Shots on Target
2023
‘Joppa Rocks’ was nominated at the 2021 Bloody Scotland Book Festival.
20
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