Jenny Valentine (born 1970) is an English children's novelist. For her first novel and best-known work, Finding Violet Park (HarperCollins, 2007), she won the annual Guardian Children's Fiction Prize, a once-in-a-lifetime book award judged by a panel of British children's writers.^[1][2] Valentine lives in Glasbury-on-Wye, Wales^[3] with her husband singer/songwriter Alex Valentine, with whom she runs a health food shop in nearby Hay-on-Wye.^[4]

HarperCollins has published Valentine's novels in Britain and usually one year later in America. Finding Violet Park (2007) was re-titled Me, The Missing and The Dead in the US (2008).^[5] Beside winning the Guardian Prize^[1] it made the shortlist (seven finalists that year) for the annual Carnegie Medal, which the British librarians confer upon the year's best children's book published in the UK^[6][7] Basque, Catalan and Italian translations of the book were published in 2008, followed by versions in Dutch, French, German, Slovenian, Spanish, and Norwegian.^[8]

Her critically acclaimed second novel, Broken Soup, published in January 2008, was shortlisted for the 2008 Waterstone's Children's Book Prize and the 2008 Costa Book Children's Book Award,^[9][10] and longlisted for the 2008 Booktrust Teenage Prize.^[11] By 2010 it had also been published in Dutch and German-language translations.^[8]

"Ten Stations", a short-story prequel to Finding Violet Park, was included among 2009 World Book Day publications.^{[clarification needed]} That year Valentine also inaugurated a series of short stories for young children entitled Iggy and Me.^{[12] [clarification needed]}

Valentine's third novel, The Ant Colony,^[13] was published in 2009.^[14] By 2011 it had been published in Dutch and in German translations.^[8]

Her fourth novel, The Double Life of Cassiel Roadnight, was set in her home town of Hay-on-Wye.^[15] It was also her fourth novel nominated for the Carnegie Medal, i. e. it was one of the year's top forty children's books published in the UK, in the estimation of librarians.^[6] By 2011 it had also been published in Dutch.^[8]

Valentine takes part annually in the Hay Festival.