Why is Duke so rude? Find out in this decodable beginning reader focusing on long u. This book uses sequenced phonics skills and sight words to help developing readers. Original illustrations guide readers through the story. Author Cecilia Minden, PhD, a literacy consultant and former director of the Language and Literacy program at Harvard Graduate School of Education developed the specific format for this series. Features dyslexia-friendly font and accessible design to help meet the learning needs of all students.