Ages 8 to 12 years. There's trouble in dirty ol' Tintown. Nature has vamoosed and mean Mrs Misrington is getting richer by the minute. She loves the racket of cars zoomin', taxis tootin', trucks roarin' and the smell of smokestacks smokin' because they all mean that business is boomin'. But something is brewing and it is not just the compost. Can three recycling rats stop Mrs Misrington and lead Tintown back to a saner, cleaner life before the whole place goes up in smoke?