Our World in Numbers Planet Earth Outer Hebrides Sala gives readers a nonstop

Sala gives readers a nonstop breath-holding adventure

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

Hannah seeks out food and salvation in the baron's castle

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

and when a classmate named Tom goes missing

Our World in Numbers Planet Earth Outer Hebrides Sala gives readers a nonstopA 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