For 10 points, name this Scottish author of Waverley and Ivanhoe.
In one novel by this author, the protagonist's husband is murdered by his illegitimate son, known as "The Whistler", who is later killed by Indians in the Western U.S. In another of his novels, Donald Bean Lean deceives Colonel Gardner with a false report on the activities of the protagonist, letting him escape to France. In addition to that novel about Jeanie's attempts to get a pardon for her sister (*) Effie and one in which Edward gets involved in the Jacobite Rising, he wrote a novel in which Ulrica helps save the title character from the Bois-Guilbert. The title character of that novel heeds the third call to defend Rebecca from being burned as a witch, allowing him to marry Rowena. For 10 points, name this Scottish author of Waverley and Ivanhoe.
In one novel by this author, the protagonist's husband is murdered by his illegitimate son, known as "The Whistler", who is later killed by Indians in the Western U.S.
Sir Walter Scott