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I really enjoyed this manual on refactoring. My one wish is that the author didn't resign themselves to turning the second half of the book into a manual. There are similar books (I have in mind Sandy Metz) that instead mediate all of the example refactors through a single, long-running application context. That makes the book more approachable as a ready-it-all-the-way-through tool for personal development, which was my approach.
I'm a non-native speaker of French, so take my comments with a grain of salt, but I felt the translation was excellent and the translator did an effective job of clarifying moments where certain words (e.g. client / customer) would cause confusion for French readers.