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This is a complete guide to IBM Enterprise COBOL, covering everything from its origins in 1959 through its modern capabilities in version 6.5 and beyond. Whether you are a beginner learning your first COBOL program or an experienced mainframe developer exploring object-oriented features, XML parsing, JSON generation, Db2 integration, CICS transaction processing, and performance optimization, this book provides the depth and practical examples you need. It is structured for progressive learning but also serves as a reference you can return to again and again.

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Kick off your book project, get started with GhostAI, get better at marketing, or spend the day doing all three! Free live workshops on Zoom. Saturday, June 27, 2026.

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