A novel based around the exploits of various spies during the American Civil War. Lon supports the north, works for the War Department and is offered a job in the National Detective Police force. Margaret supports the south and works for her father until her outspokenness lands her in prison.

On Secret Service 2002, Time Warner Paperbacks, London

ISBN-13: 9780751530636

New edition

Mass-market paperback

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On Secret Service 2001, Signet Book

ISBN-13: 9780451204059

Mass-market paperback

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On Secret Service 2001, Large Print Press

ISBN-13: 9781568951775

Large type / large print

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On Secret Service 2000, Dutton Books, New York, NY

ISBN-13: 9780525945444

Hardcover

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On Secret Service 2000, Wheeler Publishing, Rockland

ISBN-13: 9781568959054

Large type / large print

Hardcover

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On Secret Service 2000, Little, Brown & Company, New York

ISBN-13: 9780316854559

Hardcover

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On Secret Service 2000, Books on Tape

ISBN-13: 9780736655163

Unabridged

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On Secret Service 2000, Books on Tape

ISBN-13: 9780736649315

Audiobook cassette

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