Libraries are a place of learning, so what better place for budding mathematicians to practice number sense. Number sense is an ability to understand numbers. Counting correctly is a major part of number sense. In this brightly designed book, learners will count at the library, using both their developing reading skills and their developing math skills. Accessible and at-level text is carefully matched to the images, providing readers with support that will help them hone their reading fluency. The familiar, friendly setting and colorful images are a motivating tool to engage young learners.