00639cam a2200229 7i4500 0000005357 20080826090000.0 20080729 12:51 080729 -uk 0333129938 (pbk) NM NM TH2401 .O94 1972 Owen, Roy E. Roofs Roy E. Owen. London: Macmillan Press, 1972. ix, 104p.: ill.; 22cm. Essence books on building series Includes bibliographical references and index Roofs NM 0000001392 Book Open Shelf HQ Library