"The House of Arden: A Story for Children" by E. Nesbit is a novel published in 1908. When Edred Arden inherits a crumbling castle and a noble title, he and his sister Elfrida set out to find their family's lost treasure. With help from the magical Mouldiwarp, the siblings travel through time, witnessing pivotal moments in English history—from the Gunpowder Plot to Napoleon's invasion plans. Their quest leads them through centuries of adventure, ultimately taking them far beyond England's shores to rescue someone they love. (This is an automatically generated summary.)