The “Complete a+ Guide to IT Hardware and Software” is a comprehensive textbook by Cheryl Schmidt, published by Cisco Press in 2019. This textbook covers the CompTIA a+ Core 1 (220-1001) and CompTIA a+ Core 2 (220-1002) certification guides, focusing on hardware and software topics related to computers. With a total of 1280 pages, this hardcover book is designed for those looking to deepen their understanding of IT hardware and software concepts in the A+ certification exam. It is a valuable resource for individuals looking to enhance their knowledge in the field of computers.