About Janis Barr Books by Janis Barr Ontario Test Ready Language Skills 6 by (author) Janis Barr & David MacDonald Ages 10 to 12 Grades 5 to 7 Ontario Test Ready Language Skills 3 by (author) Janis Barr & David MacDonald Ages 7 to 9 Grades 2 to 4 Ontario Test Ready Math Skills 6 by (author) Janis Barr & David MacDonald Ages 10 to 12 Grades 5 to 7 Ontario Test Ready Math Skills 3 by (author) Janis Barr & David MacDonald Ages 7 to 9 Grades 2 to 4