Sarah Vaughan read English at Oxford and spent eleven years at the Guardian as a news reporter and political correspondent, before leaving to write fiction. Her first two novels were followed by her first psychological thriller, Anatomy of a Scandal: a Sunday Times top five bestseller, Richard & Judy pick of the decade, and global number one Netflix adaptation. Her fourth novel, Little Disasters, was a Waterstones thriller of the month and developed as a number one Paramount Plus show. Her fifth novel, Reputation, was a Sunday Times thriller of the month and is currently in development by the team who made Anatomy of a Scandal. Based on a True Story is her sixth novel.

A million-copy international bestselling author, her books have been published in twenty-seven countries.