If you've ever wanted to understand what you're reading more clearly, this is where I'd tell you to start.
This is the exact study Bible I use — the ESV Study Bible. It has notes on every page that explain what you're reading so you don't get lost or skip over things you don't understand.
Same content — good option if you're just getting started.
If you want to go deeper:
One of the clearest explanations of Christianity I've ever read.
Helped a lot of people seriously examine the evidence for Jesus.
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