Reading Grade 1

by Vincent Douglas

Published 1 January 2002

Test Prep Grade 8

by Vincent Douglas

Published 1 August 1997

Reading Grade 5

by Vincent Douglas

Published 1 June 1997




Phonics Grade 3

by Vincent Douglas

Published 1 July 1997




Writing Grade 3

by Vincent Douglas

Published 1 July 1997

Spectrum Math, Grade 2

by Vincent Douglas

Published 29 March 1999

Writing Grade 4

by Vincent Douglas

Published 1 July 1997

Spectrum Math, Grade 6

by Vincent Douglas

Published 29 March 1999


Spectrum Math, Grade 1

by Vincent Douglas

Published 30 March 1999

Test Prep Grade 4

by Vincent Douglas

Published 1 August 1997


Spectrum Math, Grade 5

by Vincent Douglas

Published 29 March 1999

Test Prep Grade 5

by Vincent Douglas

Published 1 August 1997