Diane Duane

The Door into Sunset (Tale of the five, #3)

Space Cops (Avonova Science Fiction) (Spacecops)

So You Want to be a Wizard (Young Wizards, #1)

Support Your Local Wizard

Doctor's Orders (Star Trek, #50) (Star Trek (Numbered Tb), #50) (Star Trek: The Original, #50) (Star Trek: The Original, #50)

High Wizardry (Young Wizards, #3)

My Enemy, My Ally : a Star Trek Novel

Spock's World (Giant Star Trek)

Spock's World (Star Trek) (Star Trek: The Original) (Star Trek: The Original)

Romulan Way (Star Trek (Numbered Paperback), #35) (Star Trek, #35) (Star Trek (Numbered Tb), #35) (Star Trek: The Original) (Star Trek: The Original) (Star Trek: The Original)

So You Want to Be a

Deep Wizardry (Young Wizards, #2)

Door Into Fire Coll/E

My Enemy, My Ally (Star Trek (Numbered Paperback), #18) (Star Trek: The Original) (Star Trek: The Original) (Star Trek: The Original) (Star Trek (Numbered Tb), #18) (Star Trek, #21)

The Door into Shadow (Tale of the five, #2) (Epic Tales of the Five, #2)

Wounded Sky (Star Trek (Numbered Tb), #13) (Star Trek: The Original, #13) (Star Trek, #19)

The Door Into Fire (Tale of the five, #1) (Dell SF) (Epic Tale of the Five, L)