Readiness unit, Biff and Tiff
Subtitle: Teacher's manual
By: Ralph F. Robinett, Paul W. Bell, Pauline M. Rojas
Series: Miami linguistic readers -- Level 1-A
Publisher: D.C. Heath
Published: 1970
Place of publication: Lexington, Mass
Language: eng
Number of pages: 88
Subjects: Readers
Other titles: Biff and Tiff