"In Germany on assignment, American national security agent Jordan Kettering is informed by an aging colleague that the Soviets, aided by a mole in the National Security Agency, are threatening the life of the nation with a military threat hidden in the heartlands of America."

Used availability for Jerry B Jenkins's The Operative

Hardback Editions

January 1987 : USA Hardback

Title: The operative: A novel
Author(s): Jerry B Jenkins
ISBN: 0-06-250410-X / 978-0-06-250410-4 (USA edition)
Publisher: Harper & Row
Availability: Amazon   Amazon UK   Amazon CA   

Paperback Editions

January 1989 : USA Paperback

Title: Operative
Author(s): Jerry B Jenkins, Sue M Kidd
ISBN: 0-06-250411-8 / 978-0-06-250411-1 (USA edition)
Publisher: Harper San Francisco
Availability: Amazon   Amazon UK   Amazon CA