Katharine Rundell has recently won both the Blue Peter Best Story and the Waterstones Children's Book Prize for her quirky adventure tale about Sophie, an orphan found as a baby floating in a cello case in the middle of the English Channel! She's now been shortlisted for the Carnegie Medal too....will she make it a hat-trick?! Read an extract here or discover Katharine's list of top 10 orphans from children's literature.