Just as mentioned the only additional resource was the book PMI-ACP Exam Prep, by Mike Griffiths. I read it twice front to back as I grasp more by reading. Also, the simulator exams by PM PrepCast help a lot! Good luck.
Training for Project Management Professional (PMP)®, PMI Agile Certified Practitioner (PMI-ACP)®, and Certified Associate in Project Management (CAPM)®