Introduces readers to the circulatory system; the functions of the heart, arteries and veins; the different types of blood cells; and common problems and diseases that affect the circulatory system.
From the smart phone in your pocket to the advanced systems controlling everything from banks to national security, computers are behind almost everything people do.However, this wasn't always true. Readers (Grades 3-5) will explore the fascinating history of computer technology, from the room-filling code-breaking machines of World War II to the remarkably tiny and powerful computers we rely on today.
A True Book-The Thirteen Colonies Are you thrilled by true adventure stories? do you wonder how our founding fathers conquered the wilds of North America to create the United States? You'll experience it all in these books that tell the story of the brave men and women who escaped tyranny from across the ocean to forge a new world in 13 colonies that led to the birth of the United States of America.
A True Book-The Thirteen Colonies Are you thrilled by true adventure stories? do you wonder how our founding fathers conquered the wilds of North America to create the United States? You'll experience it all in these books that tell the story of the brave men and women who escaped tyranny from across the ocean to forge a new world in 13 colonies that led to the birth of the United States of America.
A True Book-The Thirteen Colonies Are you thrilled by true adventure stories? do you wonder how our founding fathers conquered the wilds of North America to create the United States? You'll experience it all in these books that tell the story of the brave men and women who escaped tyranny from across the ocean to forge a new world in 13 colonies that led to the birth of the United States of America.