Lois Rock has established an international reputation as a children's writer. Specializing in Bible stories, prayer books, and information books, her books have been translated into over 30 languages with sales approaching 4 million copies. She draws on her experience as a mother of three, and as a leader of church children's groups. Livia Coloji is a freelance illustrator whose versatile art style has been used on packaging, greetings cards, magazines, children's books, toys and is also displayed in art exhibitions. She has a bachelor's degree in Graphics from the University of The West, Timisoara. She paints with overlaying layers of vivid colour, and sometimes includes textures and geometrical patterns.