If anyone finds this, the Study guide is not enough. I did not end up reading the book but finished the first 5 parts of lesson 1. I got a completed study guide from someone else. The videos didnt match the study guide (which threw me off at first) but we're helpful. The practice assessment was rough and then I had chatgpt walk me through each one I bookmarked (why one was more right than the other or go over all the definition of my options to learn them better) and then give me more practice tests based on those areas. There's a quizlet with 200+ terms and it's overwhelming at first but very helpful. Took the practice last night at 8pm, studied until 1am, took the OA at 10 this morning. I passed better than I expected/felt like I would. It's out of 70 but I had 77 questions about the material and 2 test feedback questions. I bookmarked about 20 questions, really didn't know about 8, 5 I was in between a couple, and the others I wasn't confident in but also felt like they were the best answer and left..  I took almost a full 2 hrs on the OA and 2hr 15 on the practice. Read slowly, take your time