The Harold Shea series by Christopher Stasheff consists of 2 books, published between 1992 and 1995. The series begins with The Enchanter Reborn (With: L. Sprague de Camp).
The Rogue Wizard series by Christopher Stasheff consists of 10 books, published between 1993 and 2001. The series begins with A Wizard in Absentia.
The Starship Troupers series by Christopher Stasheff consists of 3 books, published between 1991 and 1994. The series begins with A Company of Stars.
The The Crafters series by Christopher Stasheff consists of 1 book, starting in 1992. The series begins with Blessings and Curses.
The The Incompleat Enchanter series by Christopher Stasheff consists of 9 books, published between 1940 and 1995. The series begins with The Incompleat Enchanter / The Incomplete Enchanter (By: L. Sprague de Camp,Fletcher Pratt).
The The Star Stone series by Christopher Stasheff consists of 2 books, published between 1995 and 1996. The series begins with The Shaman.
The Warlock of Gramarye series by Christopher Stasheff consists of 13 books, published between 1969 and 2004. The series begins with The Warlock in Spite of Himself.
The Warlock's Heirs series by Christopher Stasheff consists of 4 books, published between 1994 and 2001. The series begins with M'Lady Witch.
The Wizard in Rhyme series by Christopher Stasheff consists of 8 books, published between 1986 and 2000. The series begins with Her Majesty's Wizard.