"The American Roommate Experiment" by Elena Armas is a charming romantic comedy that follows Rosie Graham, a struggling romance writer, who unexpectedly shares her apartment with Lucas Martín, her best friend's irresistibly handsome cousin. What begins as a temporary living arrangement turns into a series of romantic "experiments" designed to help Rosie find inspiration for her book—only to lead to undeniable chemistry and heartfelt emotions. Filled with humor, warmth, and sizzling tension, this novel is a delightful exploration of love, friendship, and self-discovery.