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A Mom Risks It All for Her Kidnapped Daughter in Gillian McAllister’s Caller Unknown — See the Cover! (Exclusive) By ...
NEED TO KNOW Gillian McAllister's new thriller, Caller Unknown, is out in 2026 The bestselling author tells PEOPLE that the book, about a mother whose daughter vanishes while on a Texas vacation, is "a wild ride" See an exclusive first look …