Challenge Books

1) Preschool level

【Preschool & Kindergarten Challenge Book with Audio】 (RS277)

2) Elementary School level

【Elementary School Challenge Book #1 with Audio】 (RS401)

【Elementary School Challenge Book #2 with Audio】 (RS403)

 (RS401)  (RS403)                     

  *With workbooks for review and reinforcement
 

【Challenge Book Workbooks#1A, #1B, #1C】

(WB947)  (WB948)  (WB949)

【Challenge Book #2 Workbook】

(WB963)         

3) Junior High & High School level

【Challenge Book #3 & CD】 (RS405)

【Little America’s Junior High Workbook 】 (WB438)

(RS405)  (WB438)

4) University students and Adult level

【Challenge Book #4 & CD】 (RS406)

(RS406)