A Novel

James Patterson and Marshall Karp

Little, Brown: $27.99

The best kind of surprise — a duffel bag full of diamonds — falls into a hapless student's life, and he begins to fantasize about a new life … until he discovers that one of the world's greatest assassins wants the diamonds back. (August)

The Kingdom

A Fargo Adventure

Clive Cussler with Grant Blackwood

G. P. Putnam's Sons: $27.95

Husband-and-wife treasure hunters Sam and Remi Fargo are on a missing-persons search that takes them into unexpected corners of the Far East. (June)

Kiss Her Goodbye

The New Mike Hammer Novel

Mickey Spillane and Max Allan Collins

Houghton Mifflin Harcourt/Otto Penzler: $25

An aging Mike Hammer returns to his New York City and finds it changed in this unfinished manuscript completed by his friend and colleague Collins, author of the graphic novel "Road to Perdition." (May)

The Magician King

A Novel

Lev Grossman

Viking: $26.95

The adventures continue for Quentin and his friends in the mystical land of Fillory, begun in the previous novel, "The Magicians." (August)

The Map of Time