- Asimov on Numbers by Isaac Asimov, 1978-10-03
- Months (First Step Nonfiction) by Robin Nelson, 2001-12
- A Week (First Step Nonfiction) by Robin Nelson, 2001-12
- A Day (First Step Nonfiction) by Robin Nelson, 2001-12
- How Do You Measure Time? (A+ Books) by Thomas K. and Heather Adamson, 2010-08-01
- Larry Burkett's All About Time (Larry Burkett's Stewardship for the Family) by Larry Burkett, Kevin Miller, 2003-01
- Cristo's Chronicles: Book One: The King's Challenge by Anthony J. Mirarchi, 2007-07-28
- Keeping Time: From the Beginning and into the 21st Century by Franklyn Mansfield Branley, 1993-09-27
- Bede: The Reckoning of Time (Liverpool University Press - Translated Texts for Historians) by Bede, 1999-04-01
- Time in the Medieval World by Chris Humphrey, 2001-12-20
- Get Ready! For Standardized Tests : Math Grade 2 by Kristin Swanson, Carol Turkington, 2001-06-14
- Tools of Timekeeping: A Kid's Guide to the History & Science of Telling Time (Tools of Discovery series) by Linda Formichelli, W. Eric Martin, 2005-07-01
- What Time Is It by A. G. Smith, 1996-09
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