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The Marriage Bid (Hawthorne Billionaires / Corrupt Vows, #5) was the most recently released book by Piper Knox, on October 24th, 2025.
Piper Knox Stats: The most read book by Piper Knox on Book Notification is The Marriage Agreement, the first novel in the Hawthorne Billionaires / Corrupt Vows series.
Below is a complete list of Piper Knox books in publication and chronological order, broken down by series. The most popular series by Piper Knox is the Ruthless Kings Series.
Piper Knox is the author of the Hawthorne Billionaires / Corrupt Vows series which currently consists of 5 novels. The Hawthorne Billionaires / Corrupt Vows series started in 2024 with the novel The Marriage Agreement. The most recently released novel in the Hawthorne Billionaires / Corrupt Vows series was The Marriage Bid which was released in 2025. There are no upcoming novels for the Hawthorne Billionaires / Corrupt Vows series.
Piper Knox has also written the Ruthless Kings series which has 3 books including The Mafia's Captive and Bought by the Mafia.
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Home » Authors » Piper Knox List of Books
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