Vocabulary is the corner stone of good reading and writing. Many smart kids cannot raise their reading level because of limited vocabulary. Unlike some other skills, a good vocabulary cannot be achieved over a short period. Young kids need to learn and read extensively to snowball their words. This book is a great help. It organizes essential third grade words in 24 lessons, and teaches them with activities and drills. Its well-designed questions help to clarify the related words that kids often misuse otherwise. The word selection is thoughtful and suitable for 3rd grade level. My child used it for learning as well as for assessment. He finished it in 2 months.

For further word practice, I found Beestar weekly ELA program has more such drills (a nice web site at [...] My child's vocabulary is improved effectively with these word lessons. His reading and writing level is rising at the same time. A solid book!