AVA GLASS

According to the short bio on her website: "Ava Glass is the CWA Dagger-shortlisted author of Alias Emma (The Chase), and The Traitor. A former civil servant and journalist, she once worked closely with spies.  Her time in that world fascinated her, and led to her writing the Alias Emma series."

According to Amazon: "Ava Glass is the author of the espionage series Alias Emma. A former civil servant and journalist, she once worked closely with spies, and that experience fuels her writing. Ava is the pseudonym for an international bestselling author who has written more than ten crime novels under another name. Her books have been bestsellers in multiple countries, and have been published in more than twenty languages."