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This book is very advanced. My co-worker and I are studying Psalms and some of the questions are college Thesis Level questions. She has a study bible, I do not. She is also finding it very difficult. We have made it through week 3 and have Learned A-LOT. We are both pleased with the course, but would like it to be a little less intense. We have not decided if we would buy another book from this same author just based on the Level of difficulty. There are great exercises we just wish there were a study guide or answer key we could also purchase.