Nancy Kelly Allen

1949

• Identifying Rocks
• Once upon a dime
• Earth's rock cycle
• On the Banks of the Amazon/En las orillas del amazonas (Bilingual)
• All about math symbols
• Barreling over Niagara Falls
• Daniel Boone
• First fire
• Granite and other igneous rocks
• Happy birthday
• Hopping on the number line
• Is it symmetrical?