Susan Gates 
Spud from Outer Space [EPUB ebook] 

This is a potato with attitude! It’s come from outer space and it’s landed in the council rubbish tip. It’s growing bigger by the minute and it’s looking round for things to eat. Only Cruncher, his grandad and a potato-obsessed professor are around to stop it before it wipes out the human race. The bad news is that the crash has upset the rules of space and time and Silas Smite, the mad preacher, has been brought from the past to hunt down all potato lovers. The good news is that Grandad has a secret weapon: Gloria, the super bin van designed to collect space junk. It’s chaos out there — expect anything!