TY - BOOK AU - Green,Tamara AU - Gibbons,Tony TI - Dimetrodon SN - 0836815890 U1 - 567.9 12 PY - 1996/// CY - Milwaukee, Wis. PB - Gareth Stevens Publishing KW - sears KW - Dimetrodon KW - Dinosaurs N1 - Includes index; Includes glossary; 4-8; Medialog, Inc N2 - This book describes the physical characteristics and habits of this prehistoric sail-backed reptile ER -