The “Lab Companion Ser.: Introduction to Networks Labs and Study Guide (CCNAv7)” by Cisco Networking Academy and Allan Johnson is a comprehensive textbook published by Cisco Press in 2020. This trade paperback book, with a length of 10.8 inches, covers subjects in the field of Engineering and Networking, specifically focusing on vendor-specific networking topics. With 464 pages, this book serves as a valuable resource for students and professionals looking to deepen their understanding of computer networks through hands-on labs and study materials.