Pettiford, Rebecca

"Simple text and full-color photography introduce beginning readers to bull sharks. Developed by literacy experts for students in kindergarten through third grade"--Provided by publisher.

Explores the circulatory system, including what it is, how it works, and why it's important.

Explores the skeletal system, including what it is, how it works, and why it's important.

Explores the respiratory system, including what it is, how it works, and why it's important.

Explores the muscular system, including what it is, how it works, and why it matters.

Explores the nervous system, including what it is, what it is, and why it's important.

Explores the digestive system, including what it is, how it works, and why it's important.

"Simple text and full-color photography introduce beginning readers to angel sharks. Developed by literacy experts for students in kindergarten through third grade"-Provided by publisher"--.

Simple text and photographs provide an introduction to polar bears.

Simple text and photographs provide an introduction to harp seals.