"Discovering Moon" is a mystery novel penned by Tony Hillerman in 1996, set against the backdrop of Southeast Asia on the brink of the Fall of Saigon in 1975. Malcolm "Moon" Thomas Mathias, a humble newspaper proprietor from Colorado, embarks on a perilous journey to Manila driven by the tragic deaths of his brother Ricky and Ricky's Vietnamese wife, leaving behind their daughter, Lila Vinh Mathias. Moon's quest intertwines with his mother's aspirations and unfolds amidst the genocide in Cambodia and ensuing refugee crisis. As Moon delves into his brother's past, he unravels layers of truth about himself, ultimately finding not only his niece but also a renewed sense of self. "Discovering Moon" is a profound exploration of identity amidst the search for truth.