The SRA Reading Laboratory 1a is a comprehensive reading program designed for elementary school students in grades 1-3. Published by McGraw-Hill in 1998, this program includes both Builders and Keys components to enhance reading skills. Authored by Don Parker, this English-language reading curriculum is structured to support students in developing their reading abilities at an elementary school level. With a focus on literacy and reading proficiency, this textbook is a valuable resource for educators and students looking to improve their reading skills.