Juvenile Series and Sequels
Title: Hal Keen
| Series Title - Subject | Book Title - Author |  |
| 0-9 · A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z |
| # | Book Title (Juvenile) | Author |
|---|---|---|
| 1 | Hermit of Gordon's Creek, The | Hugh Lloyd |
| 2 | Kidnapped in the Jungle | Hugh Lloyd |
| 3 | Copperhead Trail Mystery, The | Hugh Lloyd |
| 4 | Smuggler's Secret, The | Hugh Lloyd |
| 5 | Mysterious Arab, The | Hugh Lloyd |
| 6 | Lonesome Swamp Mystery, The | Hugh Lloyd |
| 7 | Clue at Skeleton Rocks, The | Hugh Lloyd |
| 8 | Doom of Stark House, The | Hugh Lloyd |
| 9 | Lost Mine of the Amazon, The | Hugh Lloyd |
| 10 | Mystery at Dark Star Ranch, The | Hugh Lloyd |
| Subject: Mystery and Detective Stories. | ||
