The file is here. Third-person proofreading might improve them more. But I did everything I could do about those documents.
BTW, How to listen page has such description:
I've translated this sentence literally, but can she support troubles from Japan? If there seem to be difficulty, I think this description should be modified or deleted.If you have any troubles, please contact kayray, with subject line: “LibriVox help.”
If you have some trouble about Japanese, feel free to call me.