Vows for Billionaires books in order

Vows for Billionaires by Lynne Graham is a four-book romance series from 2018, featuring women making marriage vows with billionaire men under extraordinary circumstances.
Series · Romance · Contemporary Romance

Reading order

# Title Published Author Buy on Amazon
1 The Secret Valtinos Baby 2018 Lynne Graham Buy
2 Zipper: An Exploration in Novelty 1994 Lynne Graham N/A
3 Castiglione’s Pregnant Princess 2018 Lynne Graham Buy
4 Da Rocha’s Convenient Heir 2018 Lynne Graham Buy

Vows for Billionaires collects four romances from 2018. The Secret Valtinos Baby, Castiglione’s Pregnant Princess, and Da Rocha’s Convenient Heir each feature a heroine who takes marriage vows with a billionaire for practical reasons that gradually transform into real emotional bonds.

The series covers Italian, Portuguese, and broader Mediterranean heroes, each paired with a woman whose circumstances force her into a marriage that neither expected to become real.

Frequently Asked Questions

How many books are in the Vows for Billionaires series?

There are four books in the Vows for Billionaires series, published between 1994 and 2018.

What is the first book in the Vows for Billionaires series?

The first book in the Vows for Billionaires series is The Secret Valtinos Baby, published in 2018.

What are the Vows for Billionaires books about?

The series follows heroines who marry billionaires for reasons beyond simple romance. The Secret Valtinos Baby, Castiglione’s Pregnant Princess, and Da Rocha’s Convenient Heir each involve vows made under pressure that develop into genuine love.

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