This author depicted a character who escapes from the Grand Duke by diving into a Fabergé egg. A character created by this author avoids being transformed into a bird by using her own hair to strangle the title character. In a novel by this author, Jack Walser travels to Siberia with the trapeze artist Fevvers. This author of "The Erl-King" created a character who is given (10[1]-5[1])a ruby choker by her husband and permanently marked by a bloodstained key after telling a blind piano-tuner about a secret room filled with white lilies. (-5[1])This author of Nights at the Circus (10[1])depicted a woman (10[1])marrying a French Marquis who killed his previous wives (10[1])in an adaptation of the tale of Bluebeard. For 10 points, name this author of the fairy tale-inspired collection The Bloody Chamber. ■END■ (10[2]0[1])