We added more ACT answer keys to our library:

cracking-the-act-2016
The Princeton Review – Cracking the ACT 2016 Edition: added answer keys for the 4 tests printed in the book.

 

kaplan-act-2016-2017
Kaplan – ACT 2016-2017 Strategies, practice & Review: added answer keys for the 3 tests printed in the book

 

ACT 1163E – April 2006 – currently sold by ACT as an official practice test

ACT 1460E – April 2005 – currently sold by ACT as an official practice test

Here is a link to the official order form for 2016/2017 for the above two tests:
https://www.act.org/content/dam/act/unsecured/documents/ACT-SampleTestBookOrderForm.pdf