The product is a Common Core Progress workbook for English Language Arts in Grade 1, published by Sadlier School in 2014. Authored by William H. Sadlier, the workbook focuses on teaching English Language Arts skills to students in grade 1. The book is in paperback format and is designed to help students improve their language arts skills through various exercises and activities. With a specific emphasis on meeting Common Core standards, this workbook is an essential tool for educators looking to help their students succeed in English Language Arts.