Spectrum Phonics Grade 1 - McGraw-Hill Learning Materials Spectrum Author:Mercer Mayer McGraw-Hill, the nations #1 educational publisher for grades K-12, has combined their top-selling Spectrum workbook line with the highly respected Mercer Mayer Little Critter(R) characters. This series focuses on phonics, structural analysis and dictionary skills, which provides everything your child needs to build multiple skills in language al... more »l the while incorporating wholesome values from the Mercer Mayer Little Critter(R) characters. This is the same exact workbook as the starburst Spectrum workbook except for the cover being different. ?more than 140 full color pages ?soft cover ?answer key included ?perforated pages« less