The Girl And The Bomb

Released separately as a novella and then as a set in the collection Undercover Actress.
Subtitled Death Rides Route 66.
Still in Las Vegas and asked to infiltrate the terrorist organization from the previous adventure, Deborah Barnes finds a major problem arising when the terrorists are being followed by Israeli agents who would like to eliminate everyone, including Barnes, and those same terrorists want her to kill someone to prove her allegiance. And she cannot contact her own people.