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Written in Bone

Exceptional Social Studies Titles for Intermediate Grades (Series)

Sally M. Walker Author
(2014)

Their Skeletons Speak

Exceptional Social Studies Titles for Intermediate Grades (Series)

Sally M. Walker Author
Douglas W. Owsley Author
(2012)

Frozen Secrets

Exceptional Science Titles for Intermediate Grades (Series)

Sally M. Walker Author
(2014)

Electricity

Early Bird Energy (Series)

Sally M. Walker Author

Ghost Walls

Sally M. Walker Author
(2014)

Shipwreck Search

On My Own Science (Series)

Sally M. Walker Author

Investigating Electricity

How Does Energy Work? (Series)

Sally M. Walker Author
(2017)

SuperCroc Found

On My Own Science (Series)

Sally M. Walker Author
Philip Hood Illustrator
(2005)

Volcanoes

Early Bird Earth Science (Series)

Sally M. Walker Author
(2007)

Investigating Magnetism

How Does Energy Work? (Series)

Sally M. Walker Author
(2017)

Mystery Fish

On My Own Science (Series)

Sally M. Walker Author

Mystery Fish

On My Own Science (Series)

Sally M. Walker Author
Shawn Gould Illustrator
(2005)

Studying Soil

Do You Dig Earth Science? (Series)

Sally M. Walker Author
(2017)

Put Pulleys to the Test

How Do Simple Machines Work? (Series)

Roseann Feldmann Author
Sally M. Walker Author
(2011)

Trabajo (Work)

Libros de física para madrugadores (Early Bird Physics) (Series)

Roseann Feldmann Author
Sally M. Walker Author
(2005)

Bessie Coleman

On My Own Biography (Series)

Sally M. Walker Author
Janice Lee Porter Illustrator
(2003)

Put Inclined Planes to the Test

How Do Simple Machines Work? (Series)

Roseann Feldmann Author
Sally M. Walker Author
(2011)

El calor (Heat)

Libros de energía para madrugadores (Early Bird Energy) (Series)

Sally M. Walker Author
Andy King Other
(2007)

Mary Anning

On My Own Biography (Series)

Sally M. Walker Author
Phyllis V. Saroff Illustrator
(2000)

Figuring Out Fossils

Do You Dig Earth Science? (Series)

Sally M. Walker Author
(2013)

Researching Rocks

Do You Dig Earth Science? (Series)

Sally M. Walker Author
(2012)

Investigating Light

How Does Energy Work? (Series)

Sally M. Walker Author
(2011)

Put Wedges to the Test

How Do Simple Machines Work? (Series)

Roseann Feldmann Author
Sally M. Walker Author
(2011)

Put Wheels and Axles to the Test

How Do Simple Machines Work? (Series)

Roseann Feldmann Author
Sally M. Walker Author
(2011)

Investigating Sound

How Does Energy Work? (Series)

Sally M. Walker Author
(2011)

Investigating Matter

How Does Energy Work? (Series)

Sally M. Walker Author
(2011)

La luz (Light)

Libros de energía para madrugadores (Early Bird Energy) (Series)

Sally M. Walker Author
Andy King Other
(2007)

Investigating Heat

How Does Energy Work? (Series)

Sally M. Walker Author
(2017)

La electricidad (Electricity)

Libros de energía para madrugadores (Early Bird Energy) (Series)

Sally M. Walker Author
Andy King Other
(2007)

La materia (Matter)

Libros de energía para madrugadores (Early Bird Energy) (Series)

Sally M. Walker Author
Andy King Other
(2007)

Marveling at Minerals

Do You Dig Earth Science? (Series)

Sally M. Walker Author
Intuitive Narrator
(2017)

Put Wheels and Axles to the Test

How Do Simple Machines Work? (Series)

Roseann Feldmann Author
Sally M. Walker Author
(2014)

Put Screws to the Test

How Do Simple Machines Work? (Series)

Roseann Feldmann Author
Sally M. Walker Author
(2011)

Put Wedges to the Test

How Do Simple Machines Work? (Series)

Roseann Feldmann Author
Sally M. Walker Author
(2014)

Investigating Electricity

How Does Energy Work? (Series)

Sally M. Walker Author
Intuitive Narrator
(2014)

Marveling at Minerals

Do You Dig Earth Science? (Series)

Sally M. Walker Author
(2017)

Investigating Magnetism

How Does Energy Work? (Series)

Sally M. Walker Author
Intuitive Narrator
(2017)

Put Levers to the Test

How Do Simple Machines Work? (Series)

Roseann Feldmann Author
Sally M. Walker Author
(2011)

Figuring Out Fossils

Do You Dig Earth Science? (Series)

Sally M. Walker Author
Intuitive Narrator
(2017)

Put Inclined Planes to the Test

How Do Simple Machines Work? (Series)

Roseann Feldmann Author
Sally M. Walker Author
(2014)

Investigating Magnetism

How Does Energy Work? (Series)

Sally M. Walker Author
Intuitive Narrator
(2014)

Put Pulleys to the Test

How Do Simple Machines Work? (Series)

Roseann Feldmann Author
Sally M. Walker Author
(2017)

Put Wedges to the Test

How Do Simple Machines Work? (Series)

Roseann Feldmann Author
Sally M. Walker Author
(2017)

Put Wedges to the Test

How Do Simple Machines Work? (Series)

Roseann Feldmann Author
Sally M. Walker Author
(2011)

Investigating Heat

How Does Energy Work? (Series)

Sally M. Walker Author
Intuitive Narrator
(2017)

Figuring Out Fossils

Do You Dig Earth Science? (Series)

Sally M. Walker Author
Intuitive Narrator
(2017)

Investigating Sound

How Does Energy Work? (Series)

Sally M. Walker Author
Intuitive Narrator
(2017)

Investigating Light

How Does Energy Work? (Series)

Sally M. Walker Author
Intuitive Narrator
(2014)