Erika McGann grew up in Drogheda, County Louth, and now lives in Dublin. She is the author of a number of children's books, including the winner of the Waverton Good Read Children's Prize 2014, The Demon Notebook, the first in her magical series about Grace and her four friends. Other books in the series are: The Broken Spell, The Watching Wood and The Midnight Carnival. She is also the author of the Cass and the Bubble Street Gang series.
Gerry Daly is a children's author and illustrator living by the beautiful sea in Dublin. He hasn't seen any whales from his window, but saw many off the coast of West Cork. His previous books include the best-selling Where Are You, Puffling? and Wee Donkey's Treasure Hunt, both written by Erika McGann and also published by The O'Brien Press. He loves to paint birds and animals, from the tiniest to the biggest of them all.