Boxed set of 4 mysteries by Ellery Queen includes: Queens Full; And on the Eighth Day; Double, Double; and The Fourth Side of the Triangle. Queens Full is a collection of 3 novelettes and 2 short stories: The Death of Don Juan; The Wrightsville Heirs; The Case Against Carroll; E = Murder; and Diamonds in Paradise. And on the Eighth Day is about a murder amongst a religious group; 170 pages. Double, Double is about a killer who commits murder according...