Blackmail at Lake Azure

1. Flowers of Death1952-01-05 2. Cosmic Smoke Guns1952-01-12 3. Lost in the Snow Cap Region of Mars1952-01-19 4. Explosion on Morehouse Five1952-01-26 5. The Evil Guardian of Harpola1952-02-02 6. Hit by a Meteorite1952-02-09 7. Planetoid Plot1952-02-16 8. Victim of Amnesia1952-02-23 9. The Lieutenant's Revenge1952-03-01 10. The Mind Readers1952-03-08 11. Slaves of the Exonium Mine1952-03-15 12. Abandoned in Outer Space1952-03-22 13. The Great Bank Robbery1952-03-29 14. The Mysterious Moonquakes1952-04-05 15. The Phantom Fleet1952-04-12 16. Trouble on Titan1952-04-19 17. Sacrifice to the Moon God1952-04-26 18. Uncertain Death1952-05-03 19. nvasion1952-05-10 20. A Threat to the United Planets1952-05-17 21. The Threat of the Thormanoids1952-05-24 22. Jungle Jeopardy1952-05-31 23. The Scheming Sibling1952-06-07 24. Danger on Mars1952-06-14 25. Mission to Mercury1952-06-21 26. The Deadly Ray Gun1952-06-28 27. The Force Barrier1952-07-05 28. The Iron Fist1952-07-12 29. The Derelict Space Station1952-07-19 30. The Mystery of Ancient Egypt1952-07-26 31. Mystery of the Pirate Ship1952-08-02 32. Emergency Flight to Mercury1952-08-09 33. Blackmail at Lake Azure1952-08-16 34. The Hidden Map1952-08-23 35. The Green Mold of Mars1952-08-30 36. The Galaxtic War1952-09-06 37. The Energy Thief1952-09-13 38. Sabotage of the Jupiter Run1952-09-20 39. The Star Raiders1952-09-27 40. The Code Breakers1952-10-04 41. Errand of Mercy1952-10-11 42. Underwater Treachery1952-10-18 43. The Electronic Man1952-10-25 44. Treachery on Terra Five1952-11-01 45. Frontier Epidemic1952-11-08 46. Powerdive1952-11-15 47. Three Exiles1952-11-22 48. The Shakedown1952-11-29 49. The Human Trap1952-12-06 50. The Chase in Time1952-12-13 51. The Deadly Sunbeam1952-12-20 52. The Conspiracy1952-12-27