This is a "Brilliance Bookcassette" Unabridged Edition, 4 cassettes (4 tracks each), Running Time approx. 12 hours. You need a functioning Left/Right speaker fade capability to listen to this book. Check your player before ordering - can you switch from the Left speaker to the Right speaker? If you can, you can request this bookSherlock and Savitch Meet! Lacey Sherlock is driven tio find the man responsible for her sister's death 7 years earlier. What better way to accomplish this than to join the FBI. While there she meets Dillon Savitch who takes her into his computer forensic team. Now she is right where she needs to be to get information on her sister's killer. When the killer strikes again, she knows his MO and makes tracks to capture him and put him away. Dillon has no knowledge of her past, or reasons for joining the FBI (in the course of the book, he "sees the light", and is really ticked off.This book keeps your interest from the first cassette to the last. There are many, many plot twists and storyline turns, so that you never become sure of who actually did kill the sister. Add to this, a lusting brother-in-law, a highly disfunctional family, you will be guessing 'till the end! There are humorous parts in this book as well! I found that refreshing! Maybe because I'm not used to it.Note* This Audio Book requires a fully functioning "Balance Control"(left/right), as each cassette is recorded on 4 tracks instead of the normal 2.