Futuristic speculation combines with murder when a scientific expedition on a faraway planet searches for an alien species only to be stalked by a determined killer who may be a hostile alien or a member of their own team.

Sue Grafton's X: Perhaps her darkest and most chilling novel, it features a remorseless serial killer who leaves no trace of his crimes. Once again breaking the rules and establishing new paths, Grafton wastes little time identifying this sociopath. The test is whether Kinsey can prove her case against him before she becomes his next victim.

An airport killer targeting pilots expands his scope. Alex Cross Must Die. "Drop whatever you're doing, Detective Cross, and head to Reagan Airport," DC Metro Police dispatch says. "A jet just crashed and exploded on the runway. The chief and the FBI want you and John Sampson there pronto." Cross and Sampson race to the crash site. The plane didn't fail -- it was shot down by a stolen Vietnam War-era machine gun. The list of experts who can operate...

"Veteran reporter Jack McEvoy has taken down killers before, but when a woman he had a one-night stand with is murdered in a particularly brutal way, McEvoy realizes he might be facing a criminal mind unlike any he's ever encountered. McEvoy investigates - against the warnings of the police and his own editor - and makes a shocking discovery that connects the crime to other mysterious deaths across the country. But his inquiry hits a snag when he...

Dr. Caleb Maddox, a San Francisco toxicologist, meets a mysterious and hauntingly irresistable woman at a bar, and as he searches for her after their encounter, he becomes entangled in a serial murder investigation.

Assisting a car accident victim who was traveling to San Francisco to solve the murder of his fiancée, Fenny Dexter shares a night of passion with the man, whose identity comes into question in the wake of a series of brutal murders.

Veteran D.C. Detective Robert Miller arrives at the house of Catherine Sheridan, the fourth victim of the Ribbon Killer. As the case unfolds, the motive behind the murders of these female victims is somehow linked to much larger political issues.