Most Popular by Mark Mulle

Loving the Billionaire, Book 2 and Book 3

The Doctor and The Billionaire, Book Three

The Doctor and The Billionaire, Book Two

A Billionaire’s Love Story, Book 2 and Book 3

Winter Witch

Daughter of Eden

The Doctor and The Billionaire, Book One

Bewitched with Love, Book Two

Billionaire in Hiding, Book One

Falling for the Billionaire, Book Three

The Doctor and The Billionaire, Book Two

Loving The Billionaire Book Three

Loving The Billionaire, Book Two

A Search for Love

Falling for the Billionaire, Book 2 and Book 3

Loving The Billionaire, Book One

Falling for the Billionaire, Book Two

In Love With A Billionaire, Book One

One Night Stand with a Billionaire, Book One

A Billionaire’s Love Story, Book Three

A Billionaire’s Love Story, Book Two

A Billionaire's Love Story, Book One

The Neighbor – Book 1 (An Erotic Romance Series)

Falling for the Billionaire, Book One

Her Dangerous Billionaire Romance, Book One

The Reclusive Billionaire, Book One

The Arabian Billionaire, Book One

The Billionaire’s Intern, Book Two

Off the Treadmill, Book One

The Fairytale Ending

Her Billionaire Muse, Book 1

Call Me Casanova, Book Three

The Hunt for Throne, Book 1

Love Is Enduring, Book One

Her Billionaire Muse, Book 3

In Love With A Billionaire, Book Three

Haunting Love Series Book 3

The Billionaire's Brother Book 1

Daughter of Eden, Book Two and Book Three

The Billionaire’s Intern, Book 2 and Book 3

Daughter of Eden, Book Three

Her Billionaire Muse, Book 2 and Book 3

Billionaire Assignment, Book Three

Valiant Hearts, Book One

The Billionaire Playboy, Book One