The Singapore Math Inc. Dimensions Math Workbook 6B Intermediate Mathematics is a book authored by Tricia Salerno that focuses on mathematics at an intermediate level, suitable for middle school students. Published by Singapore Math Inc., the workbook is part of the Dimensions Math series and is designed to guide students in their studies of mathematics. Written in English, this textbook covers various mathematical concepts and problem-solving skills, making it a valuable resource for students looking to enhance their understanding and proficiency in the subject area.