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book cover of The Unknown Quantity

The Unknown Quantity

A novel by

FIRST WARNER BOOKS PRINTING. June 1985 mass market paperback, Mignon Good Eberhart (Three Days for Emeralds). The wife of an oil tycoon becomes caught in a web of murder and deception when she agrees to let a young lawyer pose as her husband.


Used availability for Mignon Good Eberhart's The Unknown Quantity

Paperback Editions

March 1990 : USA Mass Market Paperback

Title: Unknown Quantity
Author(s): Mignon Good Eberhart
ISBN: 0-446-77144-9 / 978-0-446-77144-3 (USA edition)
Publisher: Warner Books
Availability: Amazon   Amazon UK   

May 1985 : USA Paperback

Title: The Unknown Quantity
Author(s): Mignon Good Eberhart
ISBN: 0-446-32735-2 / 978-0-446-32735-0 (USA edition)
Publisher: Grand Central Pub
Availability: Amazon   Amazon UK