How to play the opening in chess

Summary

A search for an official, unabridged audiobook version of "How to play the opening in chess" by Raymond D. Keene on major retailers like Audible, Google Play Books, Apple Books, Kobo, OverDrive, Hoopla, and Libby did not yield any direct results. The search results primarily point to print editions of the book from various sellers and libraries, indicating that a generally available, official audiobook is likely not in production or listed on these platforms. No alternative audio formats, such as summaries or abridged versions from the specified platforms, were discovered during this initial search.