The product is a homeschool math textbook titled “Modern School Mathematics Structure and Use" from the California State Series. Written in English and authored by Lelon Capps, Ernest Duncan, and Mary Dolciani, this textbook is designed for elementary school students focusing on the subject of mathematics. Published by Houghton Mifflin, this textbook provides a structured approach to teaching and learning math concepts at a fifth-grade level, making it a valuable resource for homeschooling families looking to help their students improve their math skills.