A new edition of the hugely popular picture book starring a tartan Mary Poppins! Each time Wee Granny reaches into her tartan bag, she pulls out a big surprise!Emily and Harry love spending time with Wee Granny. Extraordinary things always happen when she brings her tartan bag. Wee Granny and the children are having fun in the park when Mum calls to ask if they'll bake some cakes for the school fair. Wee Granny couldn't possibly have anything in her bag to help with that... or could she?!