Rocket's 100th Day of School (Step Into Reading, Step 1)By: Tad Hills Series: Rocket Number one New York Times bestselling author Tad Hills returns with an all new Level 1 Step into Reading story about Rockets 100th day of school. Dont miss the animated movie based on the bestselling Rocket bookscoming soon to PBS! Rocket, the beloved dog from the New York Times bestselling picture books How Rocket Learned to Read and Rocket Writes a Story, is busy collecting 100 things to take to school on his 100th day,