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Elementary Geography written by Charlotte Mason and Long’s Home Geography for Primary Grades are both great introductions to geography for young children. You can find these on archive.org or you can pop over to the UnpluggedFamily and scroll down to their free download which is well laid out for you to use from grade 1.
Mapping the World with Art (ages 10-16)
Rocks and Dirt (ages 10-14)
Exploring Africa (ages 7 to 14)