Prasha Sooful is a Clinical Audiologist and Educator, with a Master's degree in Communication Pathology (Audiology) and a Master's degree in Education (Global Learning). She has worked clinically and in research and education for 17 years and has published papers in both fields. Born in South Africa, she now lives in Australia with her imperturbable husband, an energetic toddler, a lazy German Shepard and an ever-growing book collection.

Betania Zacarias lives between the sea and the mountains, in Barcelona, with her partner and two curious and imaginative boys who are her infinite source of inspiration. She works between many papers, acrylic paints, pencils and scissors, always accompanied by music. In her illustrations, she uses a lot of colours, textures and different patterns, varying with both manual and digital techniques. Her artwork has been published in different fields including educational books, fiction books and children's products; and shown at the Bologna Children's Book Fair, Biennial Bratislava, Sharjah International Book Fair, amongst others.