"Units of Study in Opinion, Information, and Narrative Writing, Grade 1" by Lucy Calkins is a trade paperback textbook published by Heinemann in 2015. This educational resource focuses on teaching methods and materials in language arts, specifically targeted at elementary school students. The book offers a comprehensive approach to developing writing skills in young learners, providing a clear structure and guidance for incorporating opinion, information, and narrative writing into classroom instruction. With a personalized approach that is tailored to the needs of the students, this textbook serves as a valuable tool for educators looking to enhance their language arts curriculum. Some highlighted text from previous user.