When Abigail Cowen was auditioning for the role of Delilah Mason in the onscreen adaptation of Carley Fortune’s bestselling novel, Every Summer After, she didn’t actually know what she was auditioning for. “They had the show under a code name, and it wasn’t until we went in for the last read with all of the producers and execs that I found out,” Cowen tells Observer of landing the part in the recently released series, Every Year After.