Castle under siege!: simple machines

Main Author:	Solway, Andrew.
Format:	Books Print Book
Language:	English
Published:	Chicago, IL : Raintree, c2005.
Subjects:	Simple machines > Juvenile nonfiction.

Item Description:	Includes index.
Physical Description:	32 p. : col. ill. ; 25 cm.
ISBN:	1410919188 (library binding) 9781410919182 (library binding) 1410919498 (pbk.) 9781410919496 (pbk.)