Follow along as friends Jacob and Lily unravel time, starting from its smallest increment — the second — and finishing with the century. The progressive approach uses crafts, activities, and kid-friendly anecdotes along with speech balloons, rhymes, and illustrations to make the abstract concept of time very real and very fun. It covers everything from the difference between a.m. and p.m. to how we use clocks and calendars to keep track of mealtimes, bedtimes, birthdays, and seasons to exactly how long it takes to bake a cake ...