00954cam a2200229 4500 517227182 TxAuBib 060516s2006||||||||||||||||||||||||eng|u 2006016328 9780792259497 library binding 0792259491 library binding DLC DLC DLC DLC TxAuBib Thompson, Gare. Lever, screw, and inclined plane : the power of simple machines / by Gare Thompson. Washington DC : National Geographic, 2006. 40 p. : col. ill. ; 21 cm. Includes bibliographical references (p. 39) and index. Simple machines Juvenile literature. https://catdir.loc.gov/catdir/toc/ecip0614/2006016328.html Table of contents only https://catdir.loc.gov/catdir/enhancements/fy0664/2006016328-d.html Publisher description TXHSP