Alexander Graham Bell

Whose Tail is This? Spanish Edition. Animals’ tails are all different shapes and sizes. Some animals have tails that are wide, or strong, or curly. Some are white, and some have stripes. One tail is very beautiful – which one is it?

Describes the ancient giant kangaroo of Australia's distant past that was five times the size of today's largest kangaroos. Discusses how the animal lived and how it became extinct.

Addresses questions kids often wonder about, where there is usually no simple answer, offering different theories and opinions with examples and comparisons.

From Basic Information About Air Pressure To Cloud Formations, This Book Goes On To Explain Violent Weather Conditions And How To Prepare For Them. Also Talks About The Earth's Changing Weather Patterns And Climates And What Role We Play In Those Changes.