Jim (USA: IN) (2009/09/17): I loved this book. While I was in the Navy it went on every deployment with me.
Bonnie (USA: IA) (2010/08/22): When a stranger attempting to deliver a cryptic message is shot dead at his table, Dr. Richard Ames is thrown headfirst into danger, intrigue, and other dimensions, where a plot to rescue a sentient computer could alter human history.
(The cat doesn't make an appearance until the last third of the book, but it is in there.)