Walk a Double Line

1 The Girl in the Polka Dot Dress 2 A Way to Dusty Death 3 Climb a Deadly Mountain 4 Little Girl Lost 5 The Gang's All Here 6 Desert Run 7 Silent Target 8 A World Without Sundays 9 Sing a Song of Murder 10 Search in the Dark 11 The Deadly Madonna 12 Cry Danger 13 All the Dead Were Strangers 14 Race Against Time (1) (a.k.a.) A Matter of the Heart 15 Race Against Time (2) (a.k.a.) A Matter of the Heart 16 The Dark Hours 17 A Night Full of Darkness 18 Walk a Double Line 19 The Girl From Nowhere 20 Rage to Kill 21 Mask For a Charade 22 A Question of Murder 23 Trap for a Pigeon 24 The Ragged Edge