Billionaire's Baby — Pamela M. Kelley

A billionaire, a baby, a nanny, and an evil step-mother...
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Reluctant young tech billionaire, Benjamin Turner, escaped the madness of Silicon Valley to work remotely from a huge ranch in Riston and to raise his eleven-month-old niece. He was named in his sister's will when she unexpectedly died five months ago. Juggling work and a baby has been challenging. Ben knows he needs help, but finding a good nanny in Riston isn't easy until he meets Anna Kelley. But being a nanny has never been Anna's goal. She was planning to go to law school in the fall. But with the recent death of her father and the change to his will orchestrated by her scheming step-mother, Anna isn't sure what her future holds.
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**Note, this is a standalone story. You don't need to have read the others in the series to enjoy this book--although you will enjoy the rest of the series too!