Book 8 teaches suffixes and irregular endings. It covers -ness, -less, -ous, -or, -ist, -ity, -ture, -ment, -able, -ible, -sion, -tion, -ance, -ence, -tive, -sive, -ify, -ize, -ti-, and -ci-. There are also three review lessons and a posttest.
Grade 4
