Wordly Wise 3000, Book 6 + Book 7 + Book 8 ( All 4th Edit) & Book 4 ( 3rd Edit )
The product is a set of Wordly Wise 3000 workbooks, including books 4, 6, 7, and 8 (all 4th edition) and book 4 (3rd edition). These books are authored by Kenneth Hodkinson, Sandra Adams, and Erika Hodkinson.