1. Keeping Time Through the Ages : The History of Tools Used to Measure Time
by Levy, Janey 
Price: USD 5.88
Dealer: ZVAB, Better World Books
Description: ISBN10: 0823989178, ISBN13: 9780823989171, [publisher: Rosen Publishing Group] Softcover Used book that is in clean, average condition without any missing pages. [Mishawaka, IN, U.S.A.] [Publication Year: 2010]  

2. Keeping Time Through the Ages : The History of Tools Used to Measure Time
by Levy, Janey 
Price: USD 6.17
Dealer: Abebooks, Better World Books
Description: ISBN10: 0823989178, ISBN13: 9780823989171, [publisher: Rosen Publishing Group] Softcover Used book that is in clean, average condition without any missing pages. [Mishawaka, IN, U.S.A.] [Publication Year: 2010]  

3. Keeping Time Through the Ages : The History of Tools Used to Measure Time
by Levy Janey 
Price: USD 8.78
Dealer: Biblio, Better World Books
Description: Rosen Publishing Group. Used - Good. Used book that is in clean, average condition without any missing pages. Rosen Publishing Group ISBN 0823989178 9780823989171 [US] 

4. Keeping Time Through the Ages: the History of Tools Used to Measure Time (2004 Copyright)
by Janey Levy 
Price: USD 11.88
Dealer: Alibris, Bookworksonline via Alibris
Description: The Rosen Publishing Group, Inc 2004 Soft cover New. No Jacket pp. 32. New 2004 Copyright In Softcover Format, Keeping Time Through The Ages: The History Of Tools Used To Measure Time, With Measuring Time With The Sun, Water Clocks, Sand, Candle, Incense, Mechanical, Quartz And Atomic Clocks, Glossary, Index, Full Color Illustrations, Full Color Photography, 32 Pages, Pictorial Orange Cover Featuring A Sundial, Dimensions 8" Wide X 9" High, ISBN 0823989178 (2004 Copyright) B7. 

5. Keeping Time Through The Ages: The History Of Tools Used To Measure Time (2004 Copyright)
by Janey Levy 
Price: USD 11.88
Dealer: Abebooks, ~Bookworksonline~
Description: ISBN10: 0823989178, ISBN13: 9780823989171, [publisher: The Rosen Publishing Group, Inc.] Softcover New 2004 Copyright In Softcover Format, Keeping Time Through The Ages: The History Of Tools Used To Measure Time, With Measuring Time With The Sun, Water Clocks, Sand, Candle, Incense, Mechanical, Quartz And Atomic Clocks, Glossary, Index, Full Color Illustrations, Full Color Photography, 32 Pages, Pictorial Orange Cover Featuring A Sundial, Dimensions 8" Wide X 9" High, ISBN 0823989178 (2004 Copyright) B7 [Fairfield Glade, TN, U.S.A.] [Publication Year: 2004]  

6. Keeping Time Through the Ages: The History of Tools Used to Measure Time Powermath
by Janey Levy 
Price: USD 13.44
Dealer: Biblio, Ergodebooks
Description: PowerKids Press, Date: 2004-01. Paperback. Good. 2004. PowerKids Press ISBN 0823989178 9780823989171 [US]