Do you think of life as a book with a final chapter, or more like a series of stories that continue in different ways?

Saying "like a series of stories that continue in different ways" is far too simplistic.

Life is change itself. Everything changes like a kaleidoscope that is interconnected. It has a life of it's own that breathes, hears, sees and does so much more all at once.

And there is no ending to it.

So what if a cell dies? There's another cell to replace it. Hopefully a cell, that will not die so easily, without learning more.

both a book with chapters and as a journey

The latter
How about you ?

The latter

Stories that continue in different ways.

A series of stories with differing perspectives.