Summary and review ofThe Little Big Book of Value Investing

Reviewed by Diario de un Inversor · UpdatedJune 13, 2026

Our review

«The Little Big Book of Value Investing» fills a genuine editorial gap: a complete value investing manual written originally in Spanish by authors with real portfolio management experience. Bellas and Nagay structure the book in progressive chapters, from Graham's foundational concepts — price versus value, margin of safety, Mr. Market — through to more modern approaches such as GARP (Growth at a Reasonable Price) and quality-focused investing. The book does not shy away from technical content: it includes financial statement analysis, valuation metrics, and discussion of common errors in applying the method. Its greatest strength is synthesis — it achieves in one accessible volume what the Anglo-Saxon literature typically requires several books to cover. The limitation is that some chapters are inevitably more introductory than the canonical works they summarise, meaning advanced readers may find the analytical depth insufficient in certain sections. For Spanish-speaking retail investors seeking a structured, comprehensive guide to value investing without relying on translations, this book addresses a real need.

Key takeaways

• Value investing is a replicable method, not an innate talent — it can be learned systematically by combining theory and practice.
• The distinction between price and intrinsic value is the method's central concept: the market sets the price; analysis determines the value.
• The margin of safety protects investors from their own analytical errors and from the inherent uncertainty of any future estimate.
• GARP and quality-focused approaches extend classical value investing by incorporating a company's ability to grow without destroying value.

Fact

The book was published in 2021 by Carlos Bellas and Vladyslav Marcos Nagay, two Spanish investors with a track record in European equity portfolio management.