Mark Klimek NCLEX Review 2026: Lectures, Blue Book & Yellow Book Explained
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If you have spent any time around nursing students, you have heard the name Mark Klimek. For more than two decades, his NCLEX review has been the go-to last-stretch study tool that students swear got them through. Now that the 2026 NCLEX test plan is live, here is the complete, honest guide to Mark Klimek's review in 2026: who he is, what all 12 lectures cover, his famous rules, what the Blue Book and Yellow Book actually contain, and where to get them legally without overpaying.
Who is Mark Klimek?
Mark Klimek is a former nursing professor who has been teaching NCLEX review for over 25 years. His method is famous for one reason: he teaches you how to think on the NCLEX, not just memorize. Where most reviews hand you facts, Klimek hands you decision rules, the kind you can actually apply at 2am on question 87 when two answers both look correct.
That is why his name still circulates in nursing school group chats decades later. Students do not remember a textbook chapter. They remember "if it's a chemical, it's a problem" and the never-ever rules.
Mark Klimek's most famous rules
These are the shortcuts students quote long after they pass. They are the real reason the lectures stick.
- ROME (Respiratory Opposite, Metabolic Equal) — the fastest way to read an ABG. In respiratory imbalances the pH and CO2 move in opposite directions; in metabolic imbalances the pH and bicarb move together.
- The never-ever rules — answers you can eliminate on sight, because a safe nurse would never do them regardless of the scenario.
- Assessment before intervention — unless the situation is an emergency, where action is the assessment.
- Unstable before stable, acute before chronic, unexpected before expected — the priority hierarchy that resolves most "who do you see first" questions.
- Delegation logic — what can go to the LPN and UAP versus what must stay with the RN. Anything requiring assessment, teaching, evaluation, or an unstable patient stays with the RN.
Learning the rules is the point. Learning the content is the byproduct.
The Mark Klimek 12 lectures: what each one covers
The full Klimek series is 12 audio lectures, roughly 10 to 12 hours total. They are meant to be worked through over the final 4 to 6 weeks before your exam, with the notes open in front of you.
- Lecture 1 — Acid-base balance and ventilators. The ROME rule and vent basics. Start here; it is the foundation.
- Lecture 2 — Alcohol, substance abuse and aminoglycosides. Overdose versus withdrawal, Wernicke-Korsakoff, delirium tremens, and peak and trough monitoring.
- Lecture 3 — Cardiac and infection control. Cardiac medications, arrhythmias, chest tubes, and isolation precautions.
- Lecture 4 — Crutches, gaits and psychosis. An odd pairing, but both are high-yield and frequently missed.
- Lecture 5 — Diabetes. DM, DKA, SIADH and diabetes insipidus, the cluster students most often confuse.
- Lecture 6 — Drug toxicities and electrolytes. Which levels kill, and what the nurse does about them.
- Lecture 7 — Thyroid, adrenal and laminectomy. Endocrine heavy hitters plus post-op spinal care.
- Lecture 8 — Lab values and neutropenic precautions. The must-know ranges and the actions attached to them.
- Lecture 9 — Psychiatric drugs. Classes, side effects, and the ones that signal danger.
- Lecture 10 — Maternity and newborn. Due dates, weight gain, and normal versus abnormal.
- Lecture 11 — Fetal complications and stages of labor.
- Lecture 12 — Prioritization, delegation and assignment. His signature material, and arguably the single highest-value lecture in the series.
If you are short on time, most students get the biggest return from Lectures 1, 12, and the endocrine and pharmacology blocks.
Our 2026 NCLEX Review Mega Bundle includes the full video series, both PDF books, and bonus materials for $79. Instant access, lifetime updates.
Blue Book vs Yellow Book: what is the difference?
| Blue Book | Yellow Book | |
|---|---|---|
| What it is | Structured content review notes | Practice questions with rationales |
| Use it for | Following along during lectures | Applying what you just heard |
| When | While listening | Same night, after each lecture |
| Format | Topic review by body system | Question sets matched to lecture order |
The Blue Book: structured topic review
The Klimek Blue Book is the content review that accompanies the lectures. It is organized by system and covers the high-yield diseases, the priority interventions, and the test-style reasoning Mark walks through during the audio.
The Blue Book is best used as a follow-along workbook. You annotate, highlight, and write in the margins. By the end of the series your Blue Book becomes your personal NCLEX cheat sheet, which is exactly why photocopied PDFs floating around online are close to useless. The value is in what you write in it.
The Yellow Book: question bank and practice
The Yellow Book contains practice questions organized to mirror the lecture order. Each lecture has a corresponding question set so you can immediately apply what you just heard. Questions include rationales that explain why the right answer is right, not just what the right answer is.
How students actually use the Klimek system
The pattern that produces first-time passes is consistent:
- Weeks 1 to 2: Lectures 1 to 4 at a comfortable speed with the Blue Book open. Do not transcribe; star the rules.
- Weeks 3 to 4: Lectures 5 to 9. Start Yellow Book questions nightly on the topic you just covered.
- Weeks 5 to 6: Lectures 10 to 12. Push to 75 questions a day and read every rationale.
- Final week: Re-listen to Lecture 12 (priority and delegation). Take a full-length timed practice test. Then rest.
The single most common failure mode is listening to all 12 lectures and never doing questions. The lectures teach content. The NCLEX tests application. You need both.
Who Klimek is right for (and who it is not)
Klimek works well if: you understand the material but freeze on prioritization questions, you learn by listening, or you have 4 to 6 weeks before your test date.
Klimek is not the right first stop if: you have significant content gaps (you need a full review first), you are testing in under two weeks (go straight to strategy and questions), or you have already done the lectures twice and are still failing practice tests. In that last case the problem is application, not content, and a question bank is a better use of your remaining time.
How to get Mark Klimek legally (and what to avoid)
The biggest mistake students make is downloading files from Reddit threads, random Etsy listings, or Telegram groups. Those copies are typically:
- Out of date, often 2022 or 2023 editions rather than the current test plan
- Missing chapters or with dead audio links
- Hosted on sites that carry malware
- Stripped of the rationales that make the material useful
The 2026 Mega Bundle is the cheapest legitimate way to get the full system: 12 video lectures with the matching PDF guides, organized in the order you should actually study them. At $79 it costs less than a single retake, and you keep lifetime access.
Get the verified 2026 Klimek Mega Bundle for $79. Updated for the 2026 test plan. Instant access. Lifetime updates.
Klimek vs UWorld vs Archer: where Klimek fits
Klimek is a content review. It teaches you the priorities and the test logic. UWorld and Archer are question banks that train you against real-style NCLEX items. The strongest study plan uses both: Klimek to learn how to think, a Q-bank to practise application.
| Resource | Best for | Cost |
|---|---|---|
| Mark Klimek Mega Bundle | Content review, last 6 weeks | $79 |
| UWorld NCLEX | Q-bank practice | $400+ for 90 days |
| Archer Review | Q-bank plus live sessions | $89 to $199 |
| YNS 3,000 Q-Bank | Affordable Q-bank | $33.15 to $109.65 |
| YNS FastTrack Bundle | Everything in one system | $169 |
Klimek teaches you how to think. But you still need volume on practice questions in the current NGN format, and a plan that tells you what to do each day.
The NCLEX FastTrack All-in-One Bundle combines the video lectures, the complete PDF study-guide library, and a 3,000-question NGN-ready bank with full rationales, organised into a day-by-day plan. Everything Klimek gives you, plus the application practice he does not, for $169.
See what's inside FastTrack →Frequently Asked Questions
Are the Mark Klimek lectures still relevant for the 2026 NCLEX?
Yes. The core teaching method, the priority rules and decision logic, is exactly what the Next Generation NCLEX rewards. The 2026 edition has been updated to match the current test plan. What older copies lack is practice in the NGN item formats, so pair the lectures with current-format questions.
What are the Mark Klimek lectures 1 to 12?
Twelve audio lectures running roughly 10 to 12 hours total, covering acid-base and ventilators, substance abuse and aminoglycosides, cardiac and infection control, crutches and psychosis, diabetes, drug toxicities and electrolytes, thyroid and adrenal, lab values, psychiatric drugs, maternity, fetal complications and labour, and prioritization and delegation.
Should I use Klimek for NCLEX-RN or NCLEX-PN?
The core content applies to both. PN candidates may want an additional resource for delegation, since scope-of-practice rules differ.
Where can I download the Mark Klimek lectures for free?
There is no legal free version. Anything labelled "free download" is pirated, frequently out of date, and may carry malware. The verified 2026 Mega Bundle is the cheapest legitimate path at $79.
How long does it take to complete the Klimek lectures?
Most students finish all 12 in 4 to 6 weeks listening daily. One lecture every two to three days, each followed by matching practice questions, is the ideal pace.
Is Klimek enough on its own?
No. Klimek is the content review component of a study plan. Pair it with a question bank for application practice and NGN-format reps, and you have the complete system. That combination is what the FastTrack bundle packages together.
Which Klimek lecture is the most important?
Lecture 12, prioritization and delegation. Those question types appear throughout the exam and are where well-prepared students most often lose points.