| Title | Publisher | Year | Language | Documents |
|---|---|---|---|---|
| Lady in Green, The | D. F. Stone | 1992 | English | Solution |
| LAKE Adventure | B. J. Best | 2023 | English | |
| Land Beyond the Picket Fence, The | Martin Oehm | 1996 | English | Solution |
| Library | Frederick D. King | 1991 | English | |
| Lost Gold | Ray Johnson | 1992 | English | |
| Lost in Space: Dr. Smith Goes Home | Graeme Cree | 1993 | English | Solution |
| Lost Property | Edward McArdle | 1994 | English | Solution |
| Lost Stone Mansion, The | Paul R. Merkley | 1991 | English | |
| Lottery | E. L. Cheney | 1985 | English | Solution |