A Brief History of Timekeeping: The Science of Marking Time, from Stonehenge to Atomic Clocks

From Eternity to Here: The Quest for the Ultimate Theory of Time

A Geography Of Time: The Temporal Misadventures of a Social Psychologist

Time and Eternity: Exploring God's Relationship to Time

Hyperspace: A Scientific Odyssey through Parallel Universes, Time Warps, and the Tenth Dimension

Sundials: Their Theory and Construction

Time and Free Will: An Essay on the Immediate Data of Consciousness

Cancer Happens: Coming of Age with Cancer (Capital Discovery)

Time and Space: Second Edition

Advanced Time Telling - Introducing Minutes - Practice Worksheets Workbook With Answers: Daily Practice Guide for Elementary Students and Homeschoolers, Grade 3, 4, 5 & 6