Catherine Ryan Howard is an internationally bestselling crime writer from Cork, Ireland. Her debut novel, DISTRESS SIGNALS, was shortlisted for the CWA John Creasey/New Blood Dagger. THE LIAR'S GIRL (2018) was shortlisted for the Edgar Award for Best Novel. REWIND (2019) was shortlisted for Irish Crime Novel of the Year and is currently being developed for screen by Clerkenwell Films (Misfits, Lovesick, The End of the F***ing World.) THE NOTHING MAN was a no. 1 Irish Times bestseller and a no. 1 Kindle bestseller (UK) and was shortlisted for Irish Crime Novel of the Year. Her latest novel, 56 DAYS, was published in August 2021. It is a thriller set in lockdown that Catherine wrote while she was in lockdown.

Prior to writing full-time, Catherine worked as a campsite courier in France and a front desk agent in Walt Disney World, Florida. She still wants to be an astronaut when she grows up.