Ever looked up into the sky and wondered what' s out there in the universe? Do you often wonder how the Universe began? What does the Universe comprise of? This Encyclopaedia will answer these and more whys for you. Learning is made simpler with well-labelled diagrams and an extensive glossary of difficult words. Bonus: This book comes loaded with Isn' t It Amazing - a section of fun facts on each page to keep you glued for more.