While you are sleeping, does the rest of the world sleep, too? Not everyone. In this dreamy book, which won the 2015 Silent Book Contest at the prestigious Bolo

Young readers can discover the amazing things that happen around the world while they are asleep. Full color.

A beautifully illustrated picture book about what happens at night time by a Booker shortlisted author. There's a whole world of activity out there while we're

A very simple look at how when it is day in one part of the world, it may be night in another place.

Public health has made our lives safer—but it often works behind the scenes, without our knowledge, that is, "while we are sleeping." This book powerfully ill