Investigating Variation Probing the Natural World 3 TE (TE)(P)

1972 [Intermediate Science Curriculum Study] Probing the Natural World Level III / Investigating Variation -- Teacher's Edition (TE)(P) by David D. Redfield, William R. Snyder, & Ernest Burkman
***Condition: Good Used ***93 Pages @K2f2;1>sb.sci 9x8