We think that our (free!) online
ACT
Companion tutorial is one of the best ways to prepare for the ACT.
But we're happy to recommend several books that can help you too.
These are not sponsored links: no-one has paid us to suggest these
particular books. We chose them because we think that they are most
useful to you. These links open a page on Amazon.com.
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None of the trademark holders are affiliated with, or in any way endorse, Number2.com.