"Units of Study in Opinion, Information, and Narrative Writing for Grade 2" by Lucy Calkins is an educational resource designed to help elementary school students develop their writing skills. Published by Heinemann in 2015, this textbook provides a comprehensive approach to teaching writing in a trade paperback format. With a focus on opinion, information, and narrative writing, this unit offers a structured approach to engaging students in the writing process. The book provides a detailed breakdown of each unit, making it a valuable resource for both educators and students looking to improve their writing abilities in English language. Some pages have highlighted text and/or writing.