The first book about Nita and Kit, So You Want to Be a Wizard, introduces the two young people and Duane's concept of wizardry. Nita finds a book in the local library that describes how to use magic. Soon it becomes obvious that it is the book that has found Nita, not the other way around, because only people who already possess wizardly power can even read the book. Nita soon meets Kit, another freshly minted wizard. Together they go through a world gate into a perilous otherworld Manhattan to recover the crucial Book of Night with Moon, a volume with great power for good.

High Wizardry is set far in outer space. Nita's younger sister Dairine goes on her first assignment as a wizard. Dairine's instruction manual of wizardry is not a book but a computer program. Dairine leaps from world to world, transported through...