I'm sorry I don't have a better answer for you, I hope someone else here does!
https://proteomicsnews.blogspot.com/p/resources-for-newbies....
Also, if you haven't already, maybe take a look at transcriptomics first, as there's more introductory material on this topic. For instance, there's an excellent online course at https://diytranscriptomics.com/.
There’s a few good reviews I can send you if you’re interested. Let me know, I’d be happy to connect.
But while I might be able to understand the technicalities, I guess what I'm looking for is something that explains (without much hype) what the excitement and challenges are.
For instance, for my field, a great broad intro is Eric Topol's Deep Medicine https://a.co/d/242xgSC