Madeleine Wickham (born 12 December 1969) is a bestselling British author under her pseudonym, . Educated at New College, Oxford, she worked as a financial journalist before turning to fiction. She is best known for writing a popular series of chick-lit novels. The Shopaholic novels series focuses on the misadventures of Becky Bloomwood, a financial journalist who cannot manage her own finances. The books follows her life from when her credit card debt first become overwhelming (The Secret Dreamworld of a Shopaholic) to the latest book on being married and having a child (Shopaholic & Baby). Throughout the entire series, her obsession with shopping and the complications that imparts on her life are central themes.

is her sister.

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