Red Hat 9

Red Hat RHCSA 9 (EX200V9K) Practice Exams: 6 Full-Length Exam-Authentic Practice Tests with Step-by-Step Explanations for RHEL 9 System Administration ... (The Red Hat Path Series) (English Edition)

Wiley

Red Hat Linux 9 Professional Secrets            

Pearson

Linux Red Hat 9                                  

Pearson It Certification

Red Hat RHCSA 9 Cert Guide: Ex200                

Independently published

Red Hat RHCE 9 (EX294) Capsules: Certification Guide

Course Technology Inc

IE Red Hat Linux 9.0 Advanced                    

Independently published

A complete guide to Red Hat Enterprise Linux 9  

Red Hat Linux 9 system administration(Chinese Edition)

Payload Media, Inc.

Red Hat Enterprise Linux 9 Essentials: Learn to Install, Administer, and Deploy RHEL 9 Systems (English Edition)

Course Technology Inc

SM Disk Red Hat Linux 9.0 AD