Best Ever Sudoku contains grids to complete across three levels of difficulty: easy, medium and hard
SparkPool is the adult imprint of Igloo Books, part of the Bonnier Books UK family, dedicated to bringing more joy, creativity and colour into everyday life. We believe play isn't just for kids. Our mission is to help adults unwind, get creative and try something new - whether that's a moment of calm, a burst of inspiration, or an evening of feel-good fun with friends. Bright, original and full of personality, everything we create is made to help you switch off and rediscover the joy of doing something just for you.
