Take a few timed practice tests to determine which sections or question types to go over.
Go over troublesome sections or question types.
Stay healthy!
The Official SAT Study Guide (Paperback)
This is the only book with practice tests that are actually written by the creators of the SAT. In other books, we have come across occasional mistakes and the questions aren't quite the same as the real test. Without a doubt, these are the most realistic practice tests available.