Discuss how the heart and blood deliver necessary substances to the cells throughout the body, how they function, and various diseases and disorders that affect the heart and blood.
"This book explores how the spinal cord and nerves help our bodies function. It explains the structure of the spinal cord and nerves, describes the different illnesses and injuries that can affect our
This series investigates the fascinating world of the cell and the life processes pivotal to the life of a cell. Each title introduces cell basics, then covers such topics as the difference between c
"More than any other strange phenomena, the existence of life on other planets has sparked the most discussion. Many have claimed to have seen strange spacecraft and some are absolutely sure they've b
All living things reproduce, and they pass on inherited traits to their offspring. This book explores the different ways that plants and animals produce offspring, and how they pass on traits from one
All movement depends on forces, and forces hold the universe in balance. This book explores forces, from simple pushes and pulls to the force of gravity that keeps our feet on the ground.
Introduces garbage and recycling, discusses how littering can be harmful to animals and the environment, and examines what readers can do to reduce and reuse in their homes.
Describes serveral occupations involving reading and writing, including editor, lawyer, translator, bookseller, librarian, and public relations officer.
Introduces the role of governments in a free enterprise economic system, including the way they raise and spend money, the role of governments in maintaining the financial system, and the effects of g
Accessible yet sophisticated book that explains the possible reasons why terrorism exists and the security measures taken to make sure it doesn't happen. Is a loss in some freedom a fair trade for mor
This book looks at what happens to old buttons and beads when you throw them in the trash, and then looks at alternative things that the reader could make out of them instead of throwing the buttons a
This book looks at what happens to old jars and pots when you throw them in the trash, and then looks at alternative things that the reader could make out of them instead of throwing the jars and pots
Looks at the application of science and new technologies to building and engineering projects, including new forms of such traditional elements as arches and domes, energy effiency, earthquake proofin
This title teaches readers that all families are different, and that some families include brothers and sisters. A family tree shows readers how people in families are related to each other.
This book gives a first introduction to meat and protein. Simple comparisons are used to explore this group, and suggestions for healthy eating are offered.
This book gives a first introduction to milk and cheese. Simple comparisons are used to explore this group, and suggestions for healthy eating are offered.
This series helps readers compare the sizes of a variety of things. Each book uses familiar objects as units of measurement, helping readers conceptualize size and comparison. Photographs and diagram
This book gives a first introduction to meat and protein. Simple comparisons are used to explore this group, and suggestions for healthy eating are offered.
This book gives a first introduction to milk and cheese. Simple comparisons are used to explore this group, and suggestions for healthy eating are offered.
