Take students to the next level as readers with this exciting set of highly decodable mystery tales! Inside this bright box, you'll find 50 books (5 x 10 titles) that are perfect for group learning. Each story features four to eight sentences per page with words containing short and long vowels, blends and digraphs, vowel teams, and controlled r. Includes instant comprehension questions and a tip-filled teaching guide with skill-building reproducibles. Just right for growing readers!