LLM, GenAI resources

Just started exploring, please share great recommendations i.e. Books, Blogs, YouTube Channels, Newsletters etc

Anyone got recommendations for GenAI/LLM/diffusion models courses/books? Research papers/GitHub repos are also okay as long as it's good. Also anything on deployment/end user apps for LLMs?

I got a week off might as well catch up on rea...

I am new to this field, can anyone suggest a good course / roadmaps / certifications on LLMs and GenAI?