Beatrice Clare Dunkel (born Clare Damaris Bastin; pen names, Mo Hayder and Theo Clare; 2 January 1962 – 27 July 2021) was a British author. Earlier in her life she worked as an actress and model under the name Candy Davis. She went on to write novels as Mo Hayder. One upcoming book will be published under the name Theo Clare. She won an Edgar Award in 2012. Her best known work was Birdman, which was followed by a sequel, The Treatment. The Book of Sand, will be published in 2022.

Early life

Born in Essex on 2 January 1962, Hayder grew up in Loughton as the daughter of John Bastin, an astrophysicist, and Susan Hollins, a teacher. She had a younger brother, Richard. She left school and home for London shortly before her 16th birthday. Hayder was educated at The American University and Bath Spa University.

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