Romantic Adventure Library #880

In "Mystery Caller," Peggy finds herself drawn into a quiet but persistent mystery as an anonymous voice calls her every evening, whispering secrets only someone close could know. With her three boyfriends none the wiser, she turns to a neighbor who works with telephones, hoping to trace the source of the calls. The story unfolds with a delicate tension, grounded in everyday life and the quiet thrill of the unknown, all rendered in the crisp, expressive lines of Saturnino Falguera Castella. The cover by Antonio Bosch Penalva captures the intrigue with a striking, moody portrait of Peggy, her expression caught between curiosity and unease.