Perkins, William Mack. Raising drug-free kids in a drug-filled world / William Mack Perkins, Nancy McMurtrie-Perkins. - [San Francisco] : Harper/Hazelden, [1986] - 92 p. ; 22 cm. ISBN: 0062548115 : $9.95 LCCN: 86045826 LC Class. No.: HV5824.C45 .P47 1986 / P47 1986 Dewey Class. No.: 649/.4