While L. Sprague de Camp never continued the series on his own, an additional Gavagan's Bar story authored by Michael F. Flynn, "The Ensorcelled ATM", appeared in Harry Turtledove's 2005 tribute anthology honoring de Camp, The Enchanter Completed.
Although L. Sprague de Camp did not continue the series himself, a new Gavagan's Bar tale written by Michael F. Flynn, titled "The Ensorcelled ATM", was included in Harry Turtledove's 2005 anthology dedicated to de Camp, The Enchanter Completed.