''[A] gripping, smart, and fast-moving read…Howard expertly weaves together two main story lines as she skillfully builds the voices of three main characters. Her insights and thoughtful writing immerse you in the fascinating world of cruise ships and the mysterious, perfect crimes committed at sea.''

–Christine Carbo, bestselling author of Mortal Fall

“Howard weaves an intricate web of suspense chapter by chapter…and before you know it, you’re trapped inside."

–Brian Freeman, bestselling author of GOODBYE TO THE DEAD

“Distress Signals is a highly confident and accomplished debut novel, impeccably sustained, with not a false note.”

– Irish Times

“An excellent debut thriller which may give cruising executives some sleepless nights.”

– Irish Independent

“Writing a thriller which doesn’t leave readers with a sense of deja vu isn’t easy these days, but Catherine Ryan Howard has managed it triumphantly. Definitely a new, exciting and original author to watch.”

– Sunday Independent

“Clever and compulsive. I read it in one sitting.”

– Irish Examiner

“Pacey, suspenseful and intriguing … [A] top class, page turning read. Catherine Ryan Howard is an astonishing new voice in thriller writing.” – Liz Nugent, author of 2014 Irish Book Award Crime Novel of the Year Unravelling Oliver