Act as a seasoned management consultant with 10+ years of experience advising Fortune 500 companies. Recommend the top [NUMBER] books that every aspiring consultant should read to master [SPECIFIC SKILL, e.g., problem-solving, client communication, or data analysis]. Include a mix of classics and modern titles, and explain why each book is valuable for [TARGET AUDIENCE, e.g., entry-level consultants, MBA students, or career switchers]. Highlight key takeaways and how they apply to real-world consulting scenarios. Format your response as a ranked list with concise summaries (1-2 sentences per book).