Several books in this series can be found in the Top 25 Homeschool Sellers for 2006 list.
Explode The Code Book 2 1/2 reinforces and extends the sounds of initial and final consonant blends introduced in Explode The Code Book 2. The exercises begin with beginning blends and progress through to ending blends. Students practice blending sounds to read and write one-syllable words. In addition, several review lessons are included.