The third and final edge-of-your-seat adventure in Maz Evans's laugh-out-loud funny Vi Spy series!

Vi has tried to save the Earth before … and failed.

Now, her world faces a terrible threat: her Gran is seriously ill.

Time is not on their side. And with the world's number one enemy laughing at them from space, she and her family blast off on an adventure that is truly out of this world ...

From the bestselling author of the Who Let the Gods Out? series; book 1 shortlisted for the Waterstones Book Prize