Hardy Boys
1. The Tower Treasure (1927) (as by Franklin W Dixon)
2. The House on the Cliff (1927) (as by Franklin W Dixon)
3. The Secret of the Old Mill (1927) (as by Franklin W Dixon)
4. The Missing Chums (1928) (as by Franklin W Dixon)
5. Hunting for Hidden Gold (1928) (as by Franklin W Dixon)
6. The Shore Road Mystery (1928) (as by Franklin W Dixon)
7. The Secret of the Caves (1929) (as by Franklin W Dixon)
8. The Mystery of Cabin Island (1929) (as by Franklin W Dixon)
9. Great Airport Mystery (1930) (as by Franklin W Dixon)
10. What Happened at Midnight (1931) (as by Franklin W Dixon)
11. While the Clock Ticked (1932) (as by Franklin W Dixon)
12. Footprints Under the Window (1933) (as by Franklin W Dixon)
13. The Mark On the Door (1934) (as by Franklin W Dixon)
14. The Hidden Harbor Mystery (1935) (as by Franklin W Dixon)
15. The Sinister Signpost (1936) (as by Franklin W Dixon)
16. Figure in Hiding (1937) (as by Franklin W Dixon)
22. The Flickering Torch Mystery (1943) (as by Franklin W Dixon)
23. The Melted Coins (1944) (as by Franklin W Dixon)
24. Short-Wave Mystery (1945) (as by Franklin W Dixon)

Dana Girls Mystery Stories
1. By the Light of the Study Lamp (1934) (as by Carolyn Keene)
2. The Secret at Lone Tree Cottage (1934) (as by Carolyn Keene)
3. In the Shadow of the Tower (1934) (as by Carolyn Keene)
4. A Three-Cornered Mystery (1935) (as by Carolyn Keene)