Gwyneth Rees is half Welsh and half English and grew up in Scotland. She went to Glasgow University and qualified as a doctor in 1990. She is a child and adolescent psychiatrist but has now stopped practising so that she can write full-time. She is the author of MERMAID MAGIC, the bestselling FAIRY series, COSMO AND THE MAGIC SNEEZE, COSMO AND THE GREAT WITCH ESCAPE and, for older readers, THE MUM HUNT, THE MUM DETECTIVE, THE MUM MYSTERY, MY MUM'S FROM PLANET PLUTO and THE MAKING OF MAY. She lives in London with her two cats.