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Casella Cousins Books in Order
Below you'll find the complete list of Casella Cousins 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 Casella Cousins series? Start with "Hayley" (2020) and follow publication order through all 6 books.
The complete Casella Cousins reading order is listed below in publication sequence.
Publication Order
Hayley
2020
Seth
2020
Finn
2020
Alessia
2020
Gideon
2020
Ronan
2020
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