The Official ACT Prep Guide 2023-2024 Second Edition Lot of 5 Books
A nice touch in this textbook is the practice tests with answer explanations.
The Official ACT Prep Guide 2023-2024 : Book + 8 Practice Tests +
What stands out about this textbook is the way it connects real-world examples to theory.
Official ACT Prep Guide 2023-2024 Wiley Latest Edition Real Tests Book Fast Ship
This textbook is the one I used for my final year project research.