The Invisible Womble by Elisabeth Beresford
Orinoco is certainly the tubbiest of the Wombles and is perhaps the Womble who needs the most encouragement to go out on the daily sortie to clear up and recycle all the rubbish that humans leave behind . . . Meanwhile, Tobermory, DIY-er extraordinaire, is getting to grips with the one of the humans' more ingenious inventions: the vacuum cleaner!