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2. Almond, David. (1998). Skellig. London: Hodder.
3. Aveling, Helen. (2009). Unseen Childhoods: Disabled Characters in 20th-Century Books for Girls. London: Bettany Press.
4. Bader, Barbara. (1976). American Picturebooks from Noah’s Ark to the Beast Within. New York: Macmillan.
5. Barrs, Myra, and Cork, Valerie. (2001). The Reader in the Writer: The Links Between the Study of Literature and Writing Development at Key Stage Two. London: Centre for Literacy in Primary Education.