There are a variety of prep resources for IELTS test takers.

IELTS Prep for Test Takers

ONLINE PREP COURSE
Kaplan IELTS prep course

PRACTICE TESTS

IELTS USA Practice Test (free)

BOOKS
Cambridge IELTS 14 (ISBN 9781108681315)
Official IELTS Practice Materials 2 (ISBN 9781906438876)
Top Tips for IELTS Academic (ISBN 9781906438722)

IELTS is jointly owned by the British Council, IDP: IELTS Australia, and Cambridge Assessment English.
 
IELTS USA is the US-based division of IELTS responsible for supporting organizations in the United States that use IELTS to measure the English language proficiency of international applicants. IELTS USA also manages the administration of IELTS test operations across the United States.


ielts.org/usa