A business book explaining note-taking techniques useful for problem-solving. ★ Title: What McKinsey Elites Write in Their Notebooks: Thinking Techniques and Writing Techniques of Top Consultants ★ Author: Sachiyo Oshima ★ Price: 1,300 yen ★ Shipping: Will be shipped via Rakuraku Mercari Bin (Nekopos) I read it once and then stored it on the bookshelf, so the condition is good. There are no markings in the text. Thank you for looking!