“Units of Study in Opinion, Information, and Narrative Writing for Grade K” by Lucy Calkins is a textbook published by Heinemann in 2015. This trade paperback book, measuring 8.7 inches in length and 11 inches in width, is designed for elementary school students focusing on writing skills. The units of study within the book cover opinion, information, and narrative writing, making it a comprehensive resource for young learners looking to improve their writing abilities in English. May be some highlighted text and/or small amount of writing from previous user.