4 books • 3 series
AWS Certified Security Study Guide (Sybex Study Guide)
CCNA Cloud Official Cert Guide Library (Exams CLDFND 210-451 and CLDADM 210-455) (Official Cert Guide)
CCNA Cloud CLDFND 210-451 Official Cert Guide (Official Cert Guide)
Data Center Virtualization Fundamentals (Fundamentals)