The 1887 novel referred to in the crossword solutions is 'SHE' by H. Rider Haggard, an English writer of adventure fiction. The novel follows the journey of Horace Holly and his ward Leo Vincey to a lost kingdom in the African interior. The other two solutions, 'OTHELLO' and 'Ivanov', are both plays written by William Shakespeare. 'OTHELLO' is a tragedy about the destructive power of jealousy, while 'Ivanov' is a comedy about a landowner who is unable to make decisions.