Nicoll, Helen. Meg Mog and Og / by Helen Nicoll and Jan Pienkowski. - London : Penguin, 2003. - [32] p. : illus. , col ; 16 cm. - Meg & Mog. . - Meg & Mog. . ISBN: 9780140569384 Subjects--Topical Terms: Elephants--FictionsMagic--Fiction.Witches--Fiction.