You will find that this textbook uses a modular structure for flexible learning.
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Official ACT Science Guide by ACT (2021, Trade Paperback)
What stands out about this textbook is the detailed diagrams that label every part.
Official Act Prep & Subject Guides 2024-2025 Complete Set, Paperback 5 Books
This textbook is the same edition used in my friend’s class last year.
The Official ACT Science Guide – Paperback, by ACT – Very Good n
This textbook is the required reading for the core curriculum course.
The Official ACT Science Guide, 2nd Edition, ACT
A nice touch in this textbook is the glossary at the back of each chapter.
Official ACT Science Guide, Paperback by Act, Inc. (COR), Brand New, Free shi…
A nice touch in this textbook is the color-coded sections for different topics.
1,531 ACT Practice Questions, 8th Edition : Extra Drills and Prep
A nice touch in this textbook is the index of terms with page numbers.
The Official ACT Science Guide by ACT: New
A nice touch in this textbook is the tear-out reference card for exams.
1,531 ACT Practice Questions, – Paperback, by The Princeton Review – Very Good
You will find that this textbook is written in a conversational, easy-to-follow tone.
The Official ACT Prep Guide 2025 – 2026: Book + Online Course by ACT: New
This textbook is the latest edition, so all information is current.