Job 1 - 3
Job was a righteous man who loved and feared God, yet the Lord allowed satan to bring great devastation upon him in one day, when all of his wealth was wiped out, and his children slain. All that happened to Job was allowed by God, and satan was still restrained from bringing total destruction upon him.
Remember the testimony of God regarding Job in verses 1:8 and 2:3 when you read the slander and logic that follows in this book from Job’s three friends, as well as from Elihu in chapters 32-37 (who is not a friend) - God alone knew Job’s heart.
Also note in this book that the primary question of Job (“Why did all this happen?”) is never answered.