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Art of the Catapult
by William Gurstelle
from Chicago Review Press
for 9th-Adult
$9.00 (1 in stock)
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Backyard Ballistics
by William Gurstelle
from Chicago Review Press
for 7th-Adult
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Backyard Ballistics
by William Gurstelle
Second Edition
from Chicago Review Press
for 7th-Adult
$16.95
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Engineering the City
by Matthys Levy, Richard Panchyk
from Chicago Review Press
for 8th-12th grade
$14.95
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Junk Drawer Ecology
by Bobby Mercer
from Chicago Review Press
for 4th-Adult
$16.99
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