IBM Problem Determination Tools for z/OS
IBM
Enterprise COBOL for z/OS V4.1 Language Reference
Learning Scala: Practical Functional Programming for the JVM
Jason Swartz
Conquest of Earth (Stellar Conquest Series)
David VanDyke
Stellar Conquest (4)
z/OS V2R2 Security Server RACROUTE Macro Reference
Learning GraphQL: Declarative Data Fetching for Modern Web Apps
Eve Porcello & Alex Banks
Mainframe Basics for Security Professionals: Getting Started ...
Ori Pomerantz & Barbara Vander Weele & Mark Nelson & Tim Hahn