Building literacy skills is a huge part of helping students succeed in first grade, and a classroom library filled with on-level favorites is a great way to accomplish that. Whether you're building your classroom library from the ground up or simply adding to your already diverse selection, these fiction and nonfiction must-haves deserve a spot on every first grade bookshelf. Packed with picture books, informational texts, biographies, award winners, and more, these first grade favorites will help you build your students' vocabulary, comprehension, and fluency as they progress throughout the year.