Marthas decided friends are stupid. Especially if theyre anything like Colette and Chloe. She never wants another friend. Ever. But its the first day of the summer holidays, and theres not that much to do... until she spots a strange little furry creature who leads her to Opal Moonbaby. Opals been sent down from her planet on a mission: to work out what on earth people Marthas decided friends are stupid. Especially if theyre anything like Colette and Chloe. She never wants another friend. Ever. But its the first day of the summer holidays, and theres not that much to do... until she spots a strange little furry creature who leads her to Opal Moonbaby. Opals been sent down from her planet on a mission: to work out what on earth people are (and my goodness - people are strange) and to make a friend.