My (perpetual) WIP is about a girl who is a new member of a secret agency dedicated to helping people cross over from life, through death, into their journey to the afterlife. Part of her introductory education is a perfunctory understanding of various beliefs about death, focusing on where she and her counterparts fit into it. I think for practicality's sake, it will have to be limited to larger, more prevalent religions in her location - Judaism, Christianity (various denominations, encompassing Catholic, Anglican and Protestant views), Islam, and some spotty Buddhism / Hinduism - as well as Agnostic and Atheist viewpoints. Given that, and given that I have only a basic handle on the religion in which I was raised, and sadly no idea about what other religions believe. I'm looking for theological explorations of the concepts of death and the afterlife according to different religions, philosophical movements, and belief systems. I've found some potentially useful resources online but they seem largely to be gloss-over information, if they load properly at all. I'd like some further discussion, if possible with commentary or thoughts by a leader within the religion. I have found several bibles with some light commentary available for free on the internet, but I haven't really found any in-depth discussion online, at least perfunctorily. Anyone out there know where I might find that sort of info without sitting down and speaking to someone in a church type setting?