Lorbeer, George C. creator text Boston McGraw-Hill 2000 11th ed. monographic George C. Lorbeer. Rev. ed. of : Science activities for children. 10th ed, 1996. Science Study and teaching (Elementary) United States, manuals, etc Science Study and teaching Activity programs United States Handbooks, manuals, etc Teaching Aids and devices Handbooks, manuals, etc LB1585.3 .L67 2000 L8657s 2000 069737789X 9930368 YBM 20160527192116.0 259849