Complex sentence: Peter Carter (13 August 1929--21 July 1999) was a British writer of children's books who won several awards: the Guardian Award, the Young Observer Fiction Award, twice, and the German Preis der Leseratten.
Split into simpler sentences: Peter Carter (13 August 1929--21 July 1999) was a British author of children's books. He won several awards: the Guardian Prize, the Young Observer Fiction Award, twice, and the German Preis der Leseratten.