This book retells the bible story of the two men who each built a house. Whenever wind whistled through the windows, the house built on rock stood firm, but the house built on sand shook and shifted . . . The walls wobbled and lifted . . . until with a CRASH and a splash the house built on sand fell down flat The story conveys how Jesus instructed his disciples to build their faith on the solid foundations of his words. Next steps at the back of the book encourage further discussion and there's a rhyme for children to join in with and lots to spot.