This lot of 4 All-In-One CompTIA Network with Mike Meyers AWS Certified Security concepts and exam preparation. The textbooks cover a range of topics related to networking, including local area networks, certification guides, and security concepts. Written in English and suitable for adult education and further education levels, these books offer comprehensive coverage of networking and security subjects. Published by McGraw-Hill Education, they are designed to provide a comprehensive learning experience for individuals looking to enhance their knowledge in the field of networking and security.