Finally, ensure the essay is plagiarism-free and original, using my own words to explain the subject matter. That should cover most of the points the user needs without crossing ethical boundaries.
First, I should verify if this book actually exists as an XL version. The original was published in Spanish by Spain, translated from the English version. The term "XL" might refer to an extended or updated edition. I need to confirm if such an edition exists and its key features. If not, maybe it's a miscommunication. However, assuming it's an expanded version, I can highlight the content differences or additional chapters. Finally, ensure the essay is plagiarism-free and original,
Also, I should define bodybuilding terminology briefly, perhaps in the body, to make the essay accessible to readers less familiar with the subject. However, since the user is asking about a specific book, maybe assume some prior knowledge but explain key points. The original was published in Spanish by Spain,