Paperback
Published Feb. 1, 2002 by Heyne.
[back cover blurb] An alien scientist asks to join Captain Kathryn Janeway and her crew in the investigation of an unprecedented scientific find. Soon, the U.S.S. Voyager is embroiled in a battle of wills among several alien races -- each intent on manipulating the discovery toward its own end and decimating whole worlds in the process.
Janeway must stop a quest for knowledge from turning into a plot for destruction!