Crack The Case Interview: the consulting case book for MBB prep
Designed by someone who evaluated 300+ candidates at Bain
20 original consulting cases with interviewer guides, real exhibits and complete step-by-step solutions.
Amazon: paperback
Digital: 6 books, 24 months access
Who is this book for?
Candidates who already know frameworks and need to practice full cases end-to-end at real MBB interview difficulty.
Practice partners looking for cases with built-in interviewer guides — including when to give hints, what to evaluate, and how to score.
Candidates who've exhausted classic casebooks and need fresh material with data and exhibits that mirror actual current interviews.
Anyone who wants the interviewer's perspective — each case reveals what the evaluator is looking for and how hiring decisions are made.
What's inside?
20 original full-length cases
Cases designed from a real Bain evaluator's perspective. Covering profitability, market entry, M&A, pricing, growth strategy, operations and new business models. Each case includes the candidate prompt, context data and all necessary exhibits.
Interviewer guide for every case
Precise instructions on when to share additional information, what hints to offer if the candidate gets stuck, what answers are considered "excellent" vs "acceptable", and evaluation criteria by competency. Perfect for partner practice.
Real exhibits and data
Tables, charts and market data that replicate what you'll see in a real interview. Every exhibit requires active interpretation — it's not decoration, it's information that changes the direction of your analysis.
Complete step-by-step solutions
Ideal approach structure, detailed calculations, final synthesis and recommendation with next steps. Not just what to answer, but how to reach the answer in a structured way.
Progressive difficulty
Cases are ordered by complexity: from introductory single-dimension cases to multi-layered challenges combining quantitative data, creativity and synthesis under pressure.
How this book works
Too many candidates focus on memorizing structures — but interviews test how you think, react, and communicate in real time. Knowing the theory isn't enough: you need to practice complete cases with the pressure and complexity of a real interview.
This workbook contains 20 full-length case simulations, each with a prompt, context, data, professional graphs, and a detailed model solution. You can use it alone to sharpen your reasoning or with a partner to simulate real interview dynamics.
Each case includes an interviewer guide, insights after each key step, and tips based on what distinguishes excellent candidates from good ones. Difficulty progresses from single-dimension cases to multidimensional ones combining data, creativity, and synthesis under pressure.
This book is for you if:
- ●You're preparing for case interviews at firms like McKinsey, Bain, BCG, Deloitte, or Strategy&.
- ●You want to apply issue trees and frameworks in real case environments — not just study theory.
- ●You're looking for complete cases with the right level of challenge and detail for MBB.
- ●You want to train alone or with a partner, with a clear structure to guide your sessions.
About the author
Javier Rotllant — Ex-Associate Partner at Bain & Company. 13 years in strategy consulting, 9 at Bain. Has interviewed 300+ candidates in real MBB hiring processes. Every case in this book is designed from the evaluator's perspective: what they look for, how they score, and what separates a good candidate from an excellent one.
Complete your preparation
Get your copy
20 original cases with full solutions, exhibits and interviewer guides.
Or access all our books in digital format on the Prep Platform — 450+ pages of exercises, frameworks and real case solutions from a former Bain interviewer.
Related insights
Most common case interview mistakes
The errors that eliminate good candidates — and how to avoid them.
Types of consulting case interviews
What case types you'll encounter at McKinsey, BCG and Bain, and how to approach each one.
Consulting hiring process
Every phase of the MBB hiring process, from CV screening to the final offer.