Isla Fisher is hilarious' DAVID WALLIAMS 'Charming, funny, delightful: Marge is the babysitter all children would wish for' DAVID BADDIEL Yo ho ho, me hearties. Marge is back! This time there's a baby on the loose. Meet Zara, the naughty little cousin, who never sleeps and loves to steal treasure. Marge thinks she's a pirate and maybe she's right. But will the imaginative babysitter be on her best behaviour? And can Jemima save the day at her uncle's wedding? The second fun family story in the M ...