All ellery queen's mystery novels.

29- face to face-ellery queen [reasoning]

28- then the eighth day-Queen ellery [reasoning]

27- another player-ellery queen [reasoning]

26- Glass Village-Queen ellery [Reasoning]

25- Criminal Calendar-ellery queen [Reasoning]

24- The king is dead-Queen ellery [reasoning]

23- Nine-tailed Cat-Queen ellery [Reasoning]

22- 10 days of surprise-ellery queen [reasoning]

21-Once upon a time there was an old woman-ellery Quinn [reasoning]

20- Fierce Town-Queen ellery [Reasoning]

19- lamp of god-queen ellery [reasoning]

18- Leo-Queen ellery [reasoning]

17- four hearts-ellery queen [reasoning]

16- The Gate of Life and Death-Queen ellery [reasoning]

15- halfway house-ellery queen [reasoning]

14- Mystery of Spanish shawl-Queen ellery [reasoning]

13- Crazy afternoon tea-Queen ellery [reasoning]

12- China orange riddle-Queen ellery [reasoning]

1 1- Mr Ryan's final investigation-ellery queen [reasoning]

10-Z- the tragedy of queen ellery [reasoning]

09- The Mystery of Twins-Queen ellery [Reasoning]

08- The Mystery of American Guns-ellery queen [Reasoning]

07-Y- The Tragedy of Queen ellery [Reasoning]

06-X- The Tragedy of Queen ellery [Reasoning]

05- The Mystery of the Egyptian Cross-Queen ellery [Reasoning]

04- Greek coffin mystery-Queen ellery [reasoning]

03- The Mystery of Dutch Shoes-Queen ellery [Reasoning]

02- Francci apartment puzzle-Queen ellery [reasoning]

0 1- Roman hat mystery-Queen ellery [reasoning]