When I've run out of books to read and my muse just isn't doing it, I do one of my projects.
I might look through what I've got for material and try sewing something. Or something else crafty. Or I leap into research on something for my writing or blog.
When that doesn't work, I turn to solitare and yahtzee. Two games I can play by myself.
i put new things in front of me, in whatever way that's possible, whether that be by obtaining a new thing or simply turning so different things face me.