The Calendar (Inventions That Shaped the World)
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Word Count
20,000 words, Guess
Page Count
80 pages
Physical Format
Paperback
Identifiers
- ISBN-100531167208
- ISBN-139780531167205
- LibraryThing5094230
- Open LibraryOL9392277M
First Sentence
Carvings on animal bones, arrangements of huge stones, marks on clay tablets, square boxes on sheets of paper, even recording the flooding of rivers.
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