@bduncan this might be a little tangential to what you're actually looking for, but The Case For Christ (Lee Strobel) is one of *the* go-to books for Evangelical apologetics.
Also, maybe it's just his god-tier command of prose, but I've always found that C S Lewis articulates Christianity quite beautifully.
@bduncan also, I want to honour the spirit of your request. It's one thing looking for a deeper understanding of something you don't believe so you can tear it down. It's quite another putting in that effort to find solidarity.
Huge thumbs up mate 👍
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