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Tap to open full size ↗MBB Starter Kit · Book 8 of 9 · Case interview
When to read it: From the day you apply, for case interviews
How a case interview runs, structuring without canned frameworks, reading charts, and 30 mental-math drills with worked answers. Delivered immediately as a printable PDF you keep for life — or get this book plus the other 8 books and 3 timed tests in the MBB Starter Kit for $5.
$49Lifetime access · one-time payment
7-day money-back guarantee, even if you have used it. Refund policy
Why $49 alone when the 9-book kit is $5? Each book is listed individually at $49 so the shelf has a transparent per-book price ($441 for all 9). Unless you want only this single PDF, the MBB Starter Kit ($5) includes this exact book plus all 8 others and 3 timed tests.
Best forYou want this one book on its own.
01The problem
Firms tell you the name of the stage — a coffee chat, a one-page CV, an online assessment, a case or a PEI story — without showing you what a working example looks like from the inside.
02The fix
Run a case from the first question to the recommendation, build your own structure, read an exhibit, and do the math by hand
McKinsey Solve
1
Solve-style Redrock study, timed, for 7 days. Plus the book McKinsey Solve: Field Guide.
BCG Casey
1
Casey-style chatbot case, timed, for 7 days. Plus the book BCG Casey: Field Guide.
Bain online test
1
Bain-style verbal set, timed, for 7 days. Plus the book Bain Online Test: Field Guide.
03What you get
04Proof
Mental-math drills, with worked answers at the back. Every case and number is invented for practice. Open the reader on /mbb-starter-kit to inspect page 31 at full size.
05Choose once
You can buy Case Interview Starter on its own for $49, or get all 9 books (including Case Interview Starter) plus 7 days of 3 timed tests in the MBB Starter Kit for $5.
06Questions
No. DrillCase is independent practice for the MBB recruiting season format. It is not affiliated with, endorsed by or connected to McKinsey, BCG or Bain.
Case Interview Starter: How a case interview runs, structuring without canned frameworks, reading charts, and 30 mental-math drills with worked answers. Also in the MBB Starter Kit: All 9 books, with 7 days of three timed tests, are $5 together.
Lifetime access · one-time payment. You pay $49 once in USD. There is no subscription and nothing renews.
Yes. Try the free practice first (a solve-style study, a casey-style case and bain-style questions, no payment). The 63-case library and 582 drill questions are also free for everyone.
Yes. Case Interview Starter carries a 7-day money-back guarantee: email support@drillcase.com within 7 calendar days of purchase for a full refund, even if you have used it. Refunds are processed within 2 business days.
The MBB Starter Kit ($5) holds all 9 books and 7 days of three timed tests; a book on its own is $49. Within 7 days of buying the kit, its price counts once toward Solve Basic or VIP, Chatbot Case Starter or Complete, Bain-style Comprehensive or the All-Access Pass.
A laptop or desktop in a current version of Chrome, Edge or Safari, the same setup you would use for the real online test. Pages open on mobile, but timed practice is built for a larger screen.
As soon as the payment is confirmed. You pay by card on a secure checkout page and come back to DrillCase, which shows the order as paid once our server has confirmed it. If anything goes wrong, email support@drillcase.com.
DrillCase is independent. It is not affiliated with or endorsed by McKinsey & Company, Boston Consulting Group or Bain & Company. Anything else? Email .
7-day money-back guarantee, even if you have used it.
P.S. Case Interview Starter is $49 on its own with a 7-day refund — or get all 9 books (including Case Interview Starter) plus 7 days of 3 timed tests in the MBB Starter Kit for $5.