On the edge / [electronic resource] Theodore Clymer, Doris Gates, Constance M. McCullough.
Material type: TextSeries: Ginn Reading 360Publication details: Boston : Ginn, c1970.Description: 480 p. : col. ill. ; 24 cmSubject(s): Online resources:Level 12 of series (5th grade intellectual and interest level).
Teacher's guide, skills handbook, and self-help activities booklet accompany text.
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