Apocryphal DolphinEdit

I seem to remember reading a TNG novel some years ago where a highly intelligent dolphin joined the crew for a mission to study hyperstrings. In the process, the crew wound up in a mirror universe. I cannot, for the life of me, remember the name of this book. Has anybody else read this book, or know about it? --Kahwless 15:28, 19 June 2009 (UTC)

Dark Mirror. -- Michael Warren | Talk 15:37, 19 June 2009 (UTC)