The Calendar (Inventions That Shaped the World)
Publisher: Franklin Watts
Published: September 2005
Language: eng
Format: Paperback
Number of pages: 80
ISBN-13: 9780531167205
Subjects: Technology - Inventions & Discoveries; Science & Nature - General; Children: Grades 4-6; Juvenile Nonfiction; Children's Books/Ages 9-12 Science; Science & Technology - Inventions & Discoveries; Calendar; Juvenile literature
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.