Erika McGann grew up in Drogheda, County Louth, and now lives in Dublin. She is the author of many books including The Demon Notebook (winner of the Waverton Good Read Children's Award), the 'Cass and the Bubble Street Gang' series. She wrote the Where Are You, Puffling? stories and Wee Donkey's Treasure Hunt (all illustrated by Gerry Daly), The Night-time Cat and the Plump, Grey Mouse (illustrated by Lauren O'Neill) and Standing On One Leg Is Hard (illustrated by Clive McFarland). Clive was raised in County Tyrone before studying art in Derry and Liverpool. His first and second picture books were both shortlisted for the AOI World Illustration Awards and One Leaf, Two Leaves, Count with Me! was chosen for Dolly Parton's Imagination Library. Clive's clients include HarperCollins, Penguin US, Templar, Froebel, and Marks & Spencer. He lives in Northern Ireland. His first picture book with O'Brien Press was Standing On One Leg is Hard.