Danger by the Nile — Barbara McCorquodale

EXOTIC TERROR

An unknown hand drops a letter into Romina Huntley's mail box, and that letter, as mysterious as the Nile itself, pitches her into near death and torture.

Her brother Chris, she learns, is dead in Cairo. With her brother's wealthy friend, Merlin Forde, she travels to the death scene.

Another brutal murder, an insidious dope ring, false impersonations--all become a part of Romina's life, and a key to a new love.