REFERENCE
Discover the fascinating story behind amazing inventions and learn how they have changed the world.
Get an in-depth, comprehensive look at astronomy with a unique integration of words and pictures.
Discover the world's weather—from heat waves and droughts to blizzards and floods—through spectacular…
Take a look at the often hazardous and perilous world of exploration from the lives and navigation techniques of the…
An in-depth, comprehensive look at the world of birds with a unique integration of words and pictures.
This action-packed book charts the journeys of brave travelers, looking at the challenges they faced and the discoveries…
This book provides an in-depth, comprehensive look at mummies with a unique integration of words and pictures.
Offering a unique introduction to the mysterious tombs of the Ancient Egyptians and what has been found inside the…
Written by today's experts for the experts of tomorrow, in this book you'll find everything you need to nurture…
From aardvark to zebra, this book is packed with fascinating facts about animals, giving children a wonderful head start…
Sarah Boone patented the ironing board in 1892. In this printable, children read about this famous African-American…
BOOK GUIDES
Open students' eyes to the secrets of the world's most repressive totalitarian state. In Escape from Camp 14, acclaimed…
