2. The Carrington Case

3. The Dimitrios Case

4. The Cumberland Case

5. The Winthrop Case

6. The Whitley Case

Ken Franklin and the International Detective Agency operatives assist the Paris police when a baby is stolen from a local hospital and held for ransom. The search for the kidnappers sends the detectives scrambling from Marseille, Lucerne and the Montmartre District of Paris in search of the child.

7. The Prescott Case

8. The Dudley Case

9. The Rose Bowl Case

The Burns International Detective Agency is hired to track down the criminals who printed scores of fake Rose Bowl tickets. The trail leads to England where the crooks pulled the same scam at Wembley Stadium. Franklin discovers the gang is now moving to bigger things - forging Belgian gold certificates.

10. The Steibel Case

11. The Brenner Case

When a woman engaged to be married to a pilot repeatedly flees from her home, her fiance engages the International Detective Agency to find her and learn what is causing her fear. They decide to look into her past and discover she was put up for adoption by her Austrian parents. The detective follow her parents from Vienna to Paris and ultimately to the United States to discover the roots of her unhappy past.

12. The Dennison Case

13. The Barnaby Case

14. The Oakland Case

15. The Carter Case

16. The Marino Case

17. The Daniels Case

18. The Kempton Case

19. The Stevenson Case

20. The Raffael Case

When an employee of a movie theater chain represented by the International Detective Agency is shot, the company steps in to assist the police with their investigation. The gang responsible goes on to steal tommy guns from National Guard armories, rob banks and kill cops in the process. The private detectives discover a link between the crooks and confederates in Rome and pursue the gang leader to Italy.

21. The Bristol Case

22. The Joplin Case

23. The Santino Case

24. The Bismarck Case

25. The Marlowe Case

26. The Raschid Case

27. The Rosario Case

28. The Rainis Case

29. The Medina Case

30. The Orlando Case

31. The Sheridan Case

32. The Somerset Case

33. The Anthony Case

34. The Delores Case

35. The Stanton Case

36. The Dunster Case

37. The Martos Case

38. The Washington Case

39. The Madison Case