This book contains five short stories suitable for reading to, or reading by, children aged 5 to 10.

Can you imagine a world without soap, time, money, glass, or fire?
Join Millie, Mikey, and Dizzy dog as they step through Millie’s Mirror. Each journey finds Mirrorworld without an important scientific discovery or principle ever having been made.

With the help of Irene the Inventor, and Webster, a friendly internet surfing computer, our heroes always put everything right, with comical confusion and sometimes in a very unexpected way, before returning back home.