These blog posts break down some of the most important parts of judicial reviews. These are an excellent starting place to learn the basics of judicial review.
Intro to Judicial Review
Part 1: What is Judicial Review?
Part 2: Stay Applications
Part 3: Administrative Tribunals
Part 4: Glossary of Terms
Part 5: The Basics of Patent Unreasonableness
Part 6: The Basics of Procedural Fairness