How to get non-numbered sections to show in ToC [duplicate]

I'm writing a `book` and I want the sections within the main text to carry no numeration, while I want the section number to appear in the ToC. To suppress internal numeration, I write `\section*{Title}`, but if I do that it doesn't show up in the ToC. Any way around this?

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marked as duplicate by Werner, Gonzalo Medina, lockstep, Harish Kumar, percusseMay 16 '12 at 23:38

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