[1] While at Whitman-Hanson, he wrote and edited for the school newspaper and yearbook, and did the same for two summers at Project Contemporary Competitiveness at Bridgewater State University.
[2] His earliest novels were part of the Forgotten Realms and Ravenloft shared universe book lines, but beginning in the late 1990s he turned his attention more often to creator-owned projects.
[4] His novels include Prince of Lies, The Ring of Winter, and Spectre of the Black Rose (the latter with Voronica Whitney-Robinson), and his short fiction has appeared in such anthologies such as Shadows Over Baker Street, Truth Until Paradox, and Historical Hauntings.
He was an Origins Award finalist in the Best Short Fiction category for his 2003 novella, "The Night Chicago Died", a story that featured the debut of his mystery man character, The Corpse.
As an editor, Lowder directed several best-selling book lines for TSR, Inc. in the late 1980s and early 1990s, including the Forgotten Realms, Ravenloft, and Dark Sun.
[6] Peter Corless brought Lowder over in 1999 to oversee the Pendragon fiction line for Green Knight Publishing; Lowder reprinted classic Arthurian works and starting in 2000 he also published original material including the short story collections The Doom of Camelot (2000) and Legends of the Pendragon (2002) as well as the novel Exiled from Camelot (2001).
Lowder later consulted on the fifth edition product Tomb of Annihilation[17] on the use of Artus Cimber, Aramag the dragon turtle, Ras Nsi, the city of Mezro, and other specific elements he had created for his earlier Realms fiction.
[22] Lowder's other contributions to the Ravenloft RPG center around the domain of Sithicus, with sections in both the White Wolf/Arthaus releases Heroes of Light[23] and Gazetteer Volume IV.
[24] He has also designed or edited material for Pendragon, Prince Valiant: The Story-Telling Game, Marvel Super Heroes, GURPS, Deadlands, Mage: The Ascension, and Feng Shui.
[7]: 21 His short work "Lost Loves", from the Moonstone Monsters: Demons anthology, was a finalist for the Bram Stoker Award in 2004 for Best Illustrated Narrative.
Beginning in 2010, Lowder contributed to an annual "Games to Gift" holiday segment for the show "Lake Effect" on WUWM, Milwaukee Public Radio.