A must-have book for engineers who want to master design principles. This is a masterpiece by Robert C. Martin, also known as "Uncle Bob" of "Clean Code," which delves into the core of architecture. "The rules of architecture are all the same!" Along with this message, the book explains the principles and covers component design, boundary definition, layer structure, and even testing strategies. From new engineers to tech leads and those aiming to become CTOs, this book will fundamentally reshape the design thinking of all developers. ・Price: ¥3,520 (tax included) ・Condition: Generally good (minor scuffs from use / no writing or folds) ・Contents: 34 chapters + appendices + detailed table of contents (listed on the back cover) A must-read for those who can program but are struggling with "structural design." This is a book I have kept with care, and I will pass it on to someone who is looking for it. ⸻ 【Condition】 With cover - good condition (used a few times) No writing, no tears, no missing pages ⸻ 【Shipping Method】 Rakuraku Mercari (anonymous, with tracking, waterproof packaging)