- When I'm Jealous (The Language of Parenting)
- When I'm Afraid (The Language of Parenting, 1)
- A Double Singleness: Gender and the Writings of Charles and Mary Lamb
- The Oxford Literary History of Wales: Volume 3. Welsh Writing in English, 1536-1914: The First Four Hundred Years
- When I'm Angry (The Language of Parenting, 2)