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Best Choice O'Reilly 
Modern Mainframe Development: Cobol, Databases, and Next-Generation Approaches Best Value White Falcon Publishing 
A Beginner’s Guide to Mainframe z/OS Storage Management - All you need to know of Datasets and Peripheral Storage - Book White Falcon Publishing 
A Beginner's Guide to Mainframe z/OS - Mastering Mainframe's Flagship Operating System - Book 2 White Falcon Publishing 
A Beginner's Guide to Mainframe Hardware - Mastering the Backbone of Enterprise Computing - Book 1 Independently published 
PiDP-11: A minicomputer in the office! Mike Murach and Associates, Inc. 
Murach's Mainframe COBOL Murach's Mainframe COBOLWhite Falcon Publishing 
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