Reading Grade 6

by Vincent Douglas

Published 1 June 1997




Phonics Grade 1

by Vincent Douglas

Published 1 July 1997

Writing Grade 7

by Vincent Douglas

Published 1 July 1997

Test Prep Grade 7

by Vincent Douglas

Published 1 August 1997

Word Study Grade 4

by Vincent Douglas

Published 1 July 1997


Spectrum Math, Grade 3

by Vincent Douglas

Published 30 March 1999

Test Prep Grade 6

by Vincent Douglas

Published 1 August 1997



Phonics Grade 2

by Vincent Douglas

Published 1 July 1997


Test Prep Grade 3

by Vincent Douglas

Published 1 August 1997

Work Study Grade 6

by Vincent Douglas

Published 1 July 1997

Reading Grade 2

by Vincent Douglas

Published 1 January 2002

Writing Grade 8

by Vincent Douglas

Published 1 January 2001