The Polidori Society Spring Invitations
| Year | Number | Description |
| 1993 | Spring Polidori I | The Ides of March: Missing Invitation |
| 1994 | Spring Polidori II | Missing Invitation |
| 1995 | Spring Polidori III | Missing Invitation |
| 1996 | Spring Polidori IV | Cruelty of Spring |
| 1997 | Spring Polidori V | Betrayel |
| 1998 | Spring Polidori VI: TX & IL | TX: Revenge; IL: Superstition |
| 1999 | Spring Polidori VII | Fairy Tales |
| 2000 | Spring Polidori VIII: TX & IL | TX: Stupidity; IL: Divine Wrath |
| 2001 | Spring Polidori IX | Villainy |
| 2002 | Spring Polidori X | Signs, Omens, and Portents |
| 2003 | Spring Polidori XI | Odes and Paeans |
| 2004 | Spring Polidori XII | Love and Mystery |
| 2005 | Spring Polidori XIII | Delays and Diversions |
| 2006 | Spring Polidori XIV | Lost and Found (generic Evite) |
Beginning with Polidori IV, all illustrations are by Jonathon York.
updated: 3 July 2006
