Discusses how time was measured in the past, various early clocks, the invention of the calendar, and such related topics as time zones and radio time.

"What, exactly, is time? Why does it sometimes seem to speed up or slow down? Is time on Earth the same as time on Mars? And is it possible to travel through time? This book holds the answers to these questions, and many more!"--

"St Mary's is under investigation. Their director has been shot and Max is Number One Suspect. Can things get any worse? We all know the answer to that one. Max needs to get away -- fast -- and a Brilliant Idea soon leads her to a full-scale uprising in twentieth-century China. If she can come by a historical treasure or two in the process, even better. That is, if she makes it out alive. Then there's the small matter of Insight -- the sinister organisation...

"The magic tree house whisks Jack and Annie to Africa where they must use magic to save a rhino and her baby from poachers"--

"It's 1995, and Alex Dean has it all: a spot at Cambridge University next year, the love of an amazing woman named Holly and all the time in the world ahead of him. That is until a brutal encounter with a ghost from his past sees him beaten, battered and almost drowning in the Thames. He wakes the next day to find he's in a messy, derelict room he's never seen before, in grimy clothes he doesn't recognize, with no idea of how he got there. A glimpse...

When Ridge, a time-traveling teenager from the future, gets trapped in 1999, he befriends Michael, a lonely twelve-year-old boy, changing the course of their lives forever.