The Macmillan: Mcm School Dictionary 3 is a comprehensive study guide published by Macmillan/McGraw-Hill School Division in 1991. This hardcover dictionary, part of the Dictionaries Ser., is designed for high school and elementary school students in the subject area of language arts and disciplines. Authored by M-H Primary School, it offers a valuable resource for students looking to enhance their language skills and knowledge. With a publication year of 1991, this dictionary provides insights and explanations in English to help students succeed in their studies.