t's time for another trip into The Library of Impossible Things. In this episode, Si welcomes the great Siobhan Gallichan to the Library.

What object will Siobhan bring into the Library? How did The Space War get Siobhan into trouble? Why were 90s fanzines so brilliant? can we imagine what life would be like without Doctor Who?

Take another trip into The Library to find out the answer to these questions and more!