Reading Laboratory 1a, Violet (Primer) Power Builder
McGraw Hill![Reading Laboratory 1a, Violet (Primer) Power Builder](https://support.digitalhusky.com/media/annotations/sorted/459/45918696/CHSBZCOP0345918696.jpg)
Power Builders are the core of the program. Each SRA Reading Laboratory(R) has more than 100 Power Builders, four-page booklets arranged in color-coded levels that keep students challenged as they progress through the program. Power builders engage students with interesting stories as they improve reading skills.