Publishers often release sample chapters as PDFs. You can read a 14-page sample of Chapter 1 to understand the "Dummies" approach to the BA cycle.

If you are looking for foundational business analysis (BA) knowledge without the cost, these reputable organizations provide free guides and courses: Harvard Business Publishing

Professionals use various frameworks to translate complex problems into actionable plans: SWOT Analysis

, which was corporate speak for "guy who fixes the printer and handles the spreadsheets no one else wants to touch."