Philippa Pearce
Ann Philippa Pearce OBE FRSL (22 January 1920 – 21 December 2006) was an English author of children's books. Best known of those books is the time-slip novel ''Tom's Midnight Garden'', which won the 1958 Carnegie Medal from the Library Association, as the year's outstanding children's book by a British subject. Pearce was a commended runner-up for the Medal a further four times. Provided by Wikipedia-
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