Emily is ready for her first day of school. There's so much to do: learning the alphabet, singing, reading books, dancing, and counting, starting with the very first day. One hundred days feels very far away, but day by day, Emily and her classmates see they're getting closer. And as the lessons they learn begin to add up, their world expands. Chock-full of surprising discoveries, age-appropriate activities, and plenty of humor, supports growing skills in reading, writing, and arithmetic, with an emphasis on math skills.