> Hook is presumably a central part of the musical.
Yes, in Peter Pan and Jim's various Neverland scripts.
> If Jim was still sorting it out 6 months ago then it must
> still be a long way from completion.
Who knows? I would like to think the book (script) and songs are done (by now). Casting may be more difficult, as the actors need to know dates, and I haven't even heard an opening year yet.