Radcliffe, Ann Ward
Gaston de Blondeville is a Gothic novel by noted English author Ann Radcliffe, published posthumously in 1826, three years after Radcliffe's death. Its full title is Gaston de Blondeville: Or, The Court of Henry III. Keeping Festival in Ardenne, A Romance. (This summary is from Wikipedia.)
These books are free to read. Each is in the public domain in the United States; check your own country's rules before you copy or share one.