PrepSolution

The PrepSolution library

Exam-prep books that teach you end to end

Visual study books that teach the judgment certification exams reward, not just the facts. Read a full chapter free.

The Complete SHRM-CP and SHRM-SCP Exam Prep book cover
Both SHRM credentials

The Complete SHRM-CP & SHRM-SCP Book

One volume for both SHRM credentials, current to the 2026 BASK.

The visual study book that teaches the judgment both SHRM exams reward, not just the facts. Diagrams that hold in working memory, the exam’s common traps named, and a written rationale for every practice question.

  • Both SHRM credentials in one volume
  • 1,600+ pages · 22 chapters · 312 spreads
  • 380 diagrams that teach in pictures
  • Read a full chapter free

Coming next

Two more visual volumes, built the same way. Not sold standalone yet — but both are included today with their exam's Complete Pass System.

CCRN Essentials visual study guide cover
Standalone coming soon

CCRN Essentials

The complete visual study guide for the CCRN, taught in pictures.

Critical-care nursing rendered the way it is used at the bedside: hemodynamics, vents, drips, and rhythms as visual cheat sheets you can hold in working memory on exam day.

Included today with the CCRN Complete Pass System

You can't purchase this book individually yet — pair it directly with the Complete Pass System and start reading now.

See the CCRN Complete Pass System
HRCI Essentials visual study guide cover
Standalone coming soon

HRCI Essentials

aPHR, PHR, and SPHR — one visual guide across the HRCI ladder.

Every HRCI framework drawn, not described: the laws, the numbers, and the judgment behind them, with each credential’s scope clearly marked so you study exactly what your exam tests.

Included today with the PHR Complete Pass System

You can't purchase this book individually yet — pair it directly with the Complete Pass System and start reading now.

See the PHR Complete Pass System

Questions about the books

Are the books digital?

Yes. You read the full volume online and take every quiz in your browser, and your written rationales stay in your account for the length of your access.

Are the quizzes in the app or in PDF?

Both. You practice every post-theory quiz in the app, then review it in PDF format whenever you want.

Are the books for beginners or experts?

Both. Each book is curated to make the material stick, so beginners and experienced professionals learn from it equally.

Can I read a book before buying?

Yes. A full sample chapter is free to read, so you can see exactly how a book teaches before you decide.

When are the CCRN and HRCI books coming?

Both are in production now. CCRN Essentials covers the full CCRN blueprint for critical-care nurses, and HRCI Essentials spans the aPHR, PHR, and SPHR credentials in one volume. We have not set release dates yet — join the newsletter or check back here for launch news.