KNOWLEDGE POWER PREKINDERGARTEN - NATL Author:Pearson Education Knowledge Power - Mathematics and Reading Knowledge Library It?s two books in one! The Knowledge Power books have Mathematics lessons when opened one way, Language Arts lessons when opened on the flip side. The entire series spans PreK through 8th Grade, with each side of the flip book reinforcing skills covered in the classroom and pro... more »moting learning and retention with supplemental activities. The mathematics section offers grade-specific enrichment and skills practice. The language arts section includes daily activities, forms for book reports and grade-specific skills practice.« less