The Tree Fort encourages young learners to build reading comprehension skills with grade-appropriate vocabulary, extension activities, and an engaging story. Featuring reading activities and a Comprehension & Extension section, this 24-page title introduces transitioning readers to teacher-focused concepts that will help them gain important reading comprehension and learning skills. The vibrant illustrations and engaging leveled text in the Little Birdie Books' Leveled Readers work together to tell fun stories while supporting early readers. Featuring grade-appropriate vocabulary and activities, these books help children develop essential skills for reading proficiency.