Sequel to New York Times bestseller INTERWORLD by award-winning writers Neil Gaiman and Michael Reaves.Joey Harker is a hero…After mastering the ability to walk between dimensions, Joey helped save the Altiverse from destruction.But rival powers of magic and science are still out there, seeking to control all worlds. Inter World’s peacekeeping mission is far from finished.And when a stranger follows Joey back to Base Town things get even more complicated. No one knows who she is or where she’s from and, more importantly, why she knows so much about Inter World.Dangerous times lie ahead…