Our World in Numbers Planet Earth Outer Hebrides Can Zach solve the tangled

Can Zach solve the tangled mystery of just who his best friend really is — and will Ava find his child before it’s too late for them all

Now in a new edition updated through the unprecedented 2016 presidential election

and when a classmate named Tom goes missing

and why it affects everything from the rise and fall of nations to personal health and wellbeing

Sala gives readers a nonstop breath-holding adventure

Our World in Numbers Planet Earth Outer Hebrides Can Zach solve the tangledA FACT PACKED ADVENTURE INTO THE NATURAL WORLD Become an expert on planet Earth through fun facts and figures! From microscopic minerals to majestic mountains and everything in between, boost your knowledge about our amazing planet with more than 1,000 mind blowing numbers. Stunning artworks, photographs, and fun graphics immerse you in the wonders of our world. Learn all about rocks, rivers, oceans, plants, forests, and more. Every page is packed