“Units of Study in Opinion, Information, and Narrative Writing for Grade K” is a textbook written by Lucy Calkins, focusing on improving writing skills for elementary school students. Published by Heinemann in 2015, this trade paperback offers instructional units for building foundational writing skills in English. With a beginner level approach, this textbook provides practical strategies and guidance for incorporating opinion, information, and narrative writing into the curriculum for kindergarten students. Its comprehensive content and practical format make it a valuable resource for educators looking to enhance their students’ writing abilities.