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Agricultural Inventions: At the Top of the Field
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Paperback
Book cover for 9780778702337
 
from Crabtree Pub Co (December 30, 2013)
9780778702337 | details & prices | 48 pages | 7.00 × 9.00 × 0.25 in. | Rec. grade levels 4-6 | 0.30 lbs | List price $10.95
About: Introduces inventions that revolutionized the agriculture industry, discussing each invention's creator, development process, and impact.
Library
Book cover for 9780778702139
 
from Crabtree Pub Co (December 30, 2013)
9780778702139 | details & prices | 48 pages | 7.25 × 9.25 × 0.50 in. | Rec. grade levels 4-6 | 0.75 lbs | List price $31.32
About: Historically, farming was a very taxing, physical task.