A mythical adventure of love and heroism. Culhwch falls madly in love with Olwen, the daughter of the malevolent giant Yspaddaden Penkawr. But Olwen's father isn't happy about the pairing and sets Cuhlwch a test he must complete several perilous feats and bring him the treasures he desires. AUTHOR: Catherine Fisher is a New York Times bestselleing author. Her novel Incarceron was the Times Book of the Year. She has twice won the Tir na n'Og prize, and has been shortlisted for the Blue Peter, Carnegie, Costa and WHSmith prizes. She has published over 35 novels, been translated into in more than 40 languages and is also a prize-winning poet. Efa Lois is an exciting young illustrator, new to the world of books but with significant experience elsewhere, having produced work for Visit Wales, the National Library of Wales, Cadw, the Tafwyl festival and Cara magazine. Efa has also illustrated several Welsh language titles including Cymry o Fri by Jon Gower and Y Stori Orau by Lleucu Roberts.