Hasheesh Eater and Other WritingsFitz Ludlow, Gwyllm Llwydd, Mike Crowley · First published 2018Open the Tome
Invisible College - 9th Edition ArcadiaGwyllm Llwydd, Alan Piper, P. D. Newman · First published 2018Open the Tome
Strange Drugs Make for Strange BedfellowsAlan Piper, Gwyllm Llwydd, Diane Darling, Jessa Getzandanner · First published 2015Open the Tome
Strange Drugs Makes for Strange BedfellowsAlan Piper, Gwyllm Llwydd, Diane Darling, Jessa Getzendanner · First published 2015Open the Tome
Invisible College 7th EditionGwyllm Llwydd, Beau Deeley, Jim Harter · First published 2013Open the Tome
Invisible College 6th EditionGwyllm Llwydd, Oleg Korolev, Bryce Milligan, Jim Harter, Yahia Lababidi · First published 2011Open the Tome
