Diane Duane
1) A Wizard
Author
Language
English
Description
While Nita grieves over her mother's death, Kit tackles a challenge as dangerous as it is strange: Rescue a young wizard who has vanished on his first assignment. This new wizard is unlike any other--he's autistic and he's a magical prodigy. His power is enormous. Now Kit and his dog, Ponch, must track down the missing boy before the Lone Power finds him.
2) Dark Mirror
Author
Language
English
Description
One hundred years ago, four crewmembers of the U.S.S EnterpriseTM crossed the dimensional barrier and found a mirror image of their own universe, populated by nightmare duplicates of their shipmates. Barely able to escape with their lives, they returned, thankful that the accident which had brought them there could not be duplicated, or so they thought.
But now the scientists of that empire have found a doorway into our universe. Their plan is to...