Every candidate asks "what book should I buy?" as if the right title is the whole answer. It isn't, and buying the "right" one won't fix a weak study plan. A good textbook is necessary for the IMAT. On its own, it's nowhere near sufficient - and treating it as the whole plan is one of the more expensive mistakes candidates make, in both time and money.
What a book actually gives you
A solid textbook gives you content depth: the mechanisms, definitions, and formulas the exam draws from. That matters - you can't reason your way through a question about a concept you've never encountered. But content depth answers "do I understand this topic," not "can I answer a five-option multiple-choice question about it, correctly, in under two minutes, under a penalty for guessing wrong." Those are different skills, and a book only trains the first one.
What actually closes the gap
The skill a book can't teach you is pattern recognition under exam conditions - and that only comes from working real, exam-format questions and reviewing exactly why each wrong answer was wrong, not from reading more pages. Passive review feels productive because it's comfortable. Active practice against real question formats is what actually moves your score, precisely because it's less comfortable - it exposes what you don't actually know yet, instead of letting familiar material feel like progress.
A simple filter for any resource
Before you add a resource to your stack, ask three things: does it match how the current exam is actually weighted across sections, does it use the real five-option multiple-choice format rather than a generic style, and will you genuinely use it, or does owning it just feel like progress? Three resources used properly beat ten resources skimmed once. Buying more books has never been the bottleneck for any candidate we've worked with - using the ones they already had, properly, was.
Want a second opinion on whether your current resources are actually enough? That's exactly the kind of check mentorship includes - an honest read on your setup, not just more material to buy.
Apply for the mentorshipBuy the book. Read it. Then close it and go do a hundred real questions - because that's the part almost nobody does enough of, and it's the part that actually shows up in your score.