Nesbit led an unconventional life. She married Hubert Bland in 1880, and the couple became founding members of the Fabian Society in 1884. Despite persistent financial difficulties and a complicated marriage, she wrote prolifically across genres, producing poetry, novels for adults, and chilling supernatural stories.
Her breakthrough came with The Story of the Treasure Seekers (1899), which introduced the mischievous Bastable children. She secured lasting fame with the Psammead trilogy—Five Children and It (1902), The Phoenix and the Carpet (1904), and The Story of the Amulet (1906)—as well as her beloved classic The Railway Children (1906), the tale of a family adjusting to life beside a railway line. Other notable works include The Enchanted Castle (1907) and The House of Arden (1908). Nesbit died in New Romney, Kent, in 1924, and is widely regarded as a founder of modern children's fantasy.