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Costas Sisters Books in Order
Below you'll find the complete list of Costas Sisters 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 Costas Sisters series? Start with "Under the Boardwalk" (2004) and follow publication order through all 2 books.
The complete Costas Sisters reading order is listed below in publication sequence.
Publication Order
Under the Boardwalk
2004
Summer Lovin' / Summer of Love
2005
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