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Incoming Resources
- Glaciers, by Sally M. Walker
- Underground fire, hope, sacrifice, and courage in the Cherry Mine disaster, Sally M. Walker
- Winnie, the true story of the bear who inspired Winnie-the-Pooh, Sally M. Walker ; illustrated by Jonathan D. Voss
- Earthquakes, by Sally M. Walker
- Druscilla's Halloween, Sally M. Walker ; illustrations by Lee White
- Figuring out fossils, Sally M. Walker
- Researching rocks, Sally M. Walker
- Manatees, by Sally M. Walker
- Shipwreck search, discovery of the H.L. Hunley, by Sally M. Walker ; illustrations by Elaine Verstraete
- Secrets of a Civil War submarine, solving the mysteries of the H.L. Hunley, Sally M. Walker
- Blizzard of glass, the Halifax explosion of 1917, Sally M. Walker
- Fossils, by Sally M. Walker
- Volcanoes, by Sally M. Walker
- Rocks, by Sally M. Walker
- Freedom song, the story of Henry "Box" Brown, by Sally M. Walker ; iIllustrated by Sean Qualls
- Written in bone, buried lives of Jamestown and Colonial Maryland, Sally M. Walker
- Reefs, by Sally M. Walker
- Earth verse, haiku from the ground up, Sally M. Walker ; illustrated by William Grill
- Caves, by Sally M. Walker
- Studying soil, Sally M. Walker