I tend to download PDFs for an physical book I buy, but I’d like a hybrid approach. Ctrl-F is perfect for finding excerpts when you have a specific wording, but

I tend to download PDFs for an physical book I buy, but I’d like a hybrid approach. Ctrl-F is perfect for finding excerpts when you have a specific wording, but not great for finding something worded differently or something in a section you have not read yet. AI could step in for those and not only give specific references from the book (or it’s own referenced material) but could also give the text in full. “AI, what does this book say about integrity?” “(answer), based on paragraphs on page 143 and page 210” “Show me those paragraphs inline, starting with the paragraph where the author transitions in to the topic”