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Free at last! /
by Perritano, John.
Publication:
St. Catharines, ON : Crabtree Pub., 2009
. 32 p. :
, Includes index. | "How the freeing of slaves changed American history"--Cover.
26 cm.
Date:2009
Availability:
Copies available:
(1),
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Inventions and inventors /
by Sechrist, Darren.
Publication:
St. Catharines, ON : Crabtree Pub., 2009
. 32 p. :
, Includes index. | "How American discoveries changed the world"--Cover.
26 cm.
Date:2009
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Copies available:
(1),
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The revolution in industry /
by Perritano, John.
Publication:
St. Catharines, ON : Crabtree Pub., 2009
. 32 p. :
, Includes index. | "Machines that changed the world"--Cover.
26 cm.
Date:2009
Availability:
Copies available:
(1),
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