Build your students' reading skills as they develop the content knowledge needed for success on state and other standardized tests! Grade Level Collections Sundance/Newbridge Grade Level Collections (Grades K–5) Hundreds of nonfiction & fiction texts in specially priced collections. Reading Comprehension Comprehension Strategy Libraries (Grades 1–5) Extend comprehension instruction with high-interest leveled books for independent reading! Leveled Reading Discovery Links 2 Science (Grades K–5) Develop your students' reading and science skills at the same time! Early Science (Grades K–3) Make core science concepts accessible to all students! Nonfiction Theme Sets (Grades 1–3) Teach nonfiction reading skills through concept-related books at just the right level for each student. Weird, Wild and Wonderful (Grades 2–5) Help below-level readers build nonfiction literacy skills with high-interest, standards-based Life Science content. Blue Planet Diaries (Grades 4–8) Help struggling readers master science content with paired nonfiction and fiction. Reading Quest (Grades 6–8) Build fluency and literacy across middle school social studies and science curricula. Whole Group Instruction Early Science (Grades K–3) Make core science concepts accessible to all students! Discovery Links Nonfiction Big Books (Grades K–2) Bring nonfiction to life with Big Books aligned to Science standards! Thinking Like a Scientist 2 (Grades K–3) Teach inquiry-based science and build critical thinking skills. Ranger Rick® Science (Grades 3–6) Engage curious minds with science and geography topics. Language & Science Big Books (Grades PreK–1) Save 20% Now! Fun-filled books to stimulate creativity and introduce important concepts across the curriculum. Big Book Favorites (Grades K–6) Teach essential content and build reading skills at the same time with these exciting, kid-approved Big Books! Discovery Links Nonfiction Big Books (Grades K–2) Bring nonfiction to life with Big Books aligned to Science standards! Nonfiction Reading and Writing Go Facts: Nonfiction Reading and Writing (Grades K–5) Save 10% Now! A comprehensive, structured reading and writing program for teaching the elements of nonfiction texts. Independent Reading Comprehension Strategy Libraries (Grades 1–5) Extend comprehension instruction with high-interest leveled books for independent reading! Go Facts Classroom Library (Grades K–5) Save 10% Now! Build on students' natural curiosity while exposing them to models of nonfiction writing. Green Earth Science Discovery Library (Grades 1–3) Introduce children to the importance of being green with real world examples and hands-on activities. Visual Vocabulary Builders (Grades 1–4) Spectacular, real-world photos provide the visual context for developing academic vocabulary critical to achieving science literacy. Life Cycles (Grades 2–4) Beautiful photographs and creative design make plant and animal life cycles come to life for all readers. Science Discovery Libraries (Grades 2–4) Save 30% Now! A fascinating collection of reading libraries on wild animals, snakes, birds and sea mammals. Eye to Eye with Animals (Grades 2–5) Rich content and stunning photographs bring fascinating creatures to life, as students learn about animals' characteristics and habitats. Eye to Eye with Endangered Habitats (Grades 3–5) Show students why habitats such as coral reefs, rainforests, and glaciers are worth saving. Eye to Eye with Endangered Species (Grades 3–5) A close look at six species facing extinction, the dangers they contend with, and how these animals can be saved. Ranger Rick® Science Classroom Library (Grades 3–6) A dynamic collection to encourage student exploration of science and geography. Let's Explore Science (Grades 4–6) Delve into current hot topics in science and important science standards—including the environment, genetics, and diseases. Reading Quest Classroom Library (Grades 6–8) Achieve content area literacy with high-interest titles built around social studies and science curricula.