Mac's sister Carolyn is now 26, a law school graduate, and has just been hired as an assistant district attorney in Manhattan. She has endured two family tragedies -- her brother's inexplicable disappearance, and the loss of her father. Realizing that neither she nor her mother will ever be able to have closure and get on with their lives until they find her brother, she sets out to discover what happened to Mac, and why he has found it necessary to hide from them.

Her journey into the world of people who willingly disappear from their own lives leads her to learn about others who may or may not still be alive, and ultimately to a deadly confrontation with someone close to her who suddenly becomes an enemy -- and cannot allow her to disclose his secret...

1

It is exactly midnight, which means Mother's Day has just begun. I stayed overnight with my mother in the apartment on Sutton Place where I grew up. She is down the hall in her room, and together we are keeping the vigil. The same vigil we've kept every year since my brother, Charles MacKenzie Jr., "Mack," walked out of the apartment he shared with two other Columbia University seniors ten years ago. He has never been seen since then. But every year at some point on Mother's Day, he calls to assure Mom he is fine. "Don't worry about me," he tells her. "One of these days I'll turn the key in the lock and be home." Then he hangs up.

We never know when in those twenty-four hours that call will come. Last year Mack called at a few minutes after midnight, and our vigil ended almost as soon as it began. Two years ago he waited until the very last second to phone, and Mom was frantic that this slim contact with him was over.

Mack has to have known that my father was killed in the Twin Towers tragedy. I was sure that no matter what he was doing, that terrible day would have compelled him to come home. But it did not. Then on the next Mother's Day, during his annual call, he started crying and gasped, "I'm sorry about Dad. I'm really sorry," and broke the connection.

I am Carolyn. I was sixteen when Mack disappeared. Following in his footsteps, I attended Columbia. Unlike him, I then went on to Duke Law School. Mack had been accepted there before he disappeared. After I passed the Bar last year, I clerked for a civil court judge in the courthouse on Centre Street in lower Manhattan. Judge Paul Huot has just retired, so at the moment I'm unemployed. I plan to apply for a job as an Assistant District Attorney in Manhattan, but not quite yet.

First, I must find a way to track my brother down. What happened to him? Why did he disappear? There was no sign of foul play. Mack's credit cards weren't used. His car was in the garage near his apartment. No one of his description ever ended up in the morgue, although in the beginning, my mother and father were sometimes asked to view the body of some unidentified young man who had been fished out of the river or killed in an accident.

When we were growing up, Mack was my best friend, my confidant, my pal. Half my girlfriends had a crush on him. He was the perfect son, the perfect brother, handsome, kind, funny, an excellent student. How do I feel about him now? I don't know anymore. I remember how much I loved him, but that love has almost totally turned to anger and resentment. I wish I could even doubt that he's alive and that someone is playing a cruel trick, but there is no doubt in my mind about that. Years ago we recorded one of his phone calls and had the pattern of his voice compared to his voice from home movies. It was identical.

All of this means that Mom and I dangle slowly in the wind, and, before Dad died in that burning inferno, it was that way for him, too. In all these years, I have never gone into a restaurant or theatre without my eyes automatically scanning to see if just maybe, by chance, I will run into him. Someone with a similar profile and sandy brown hair will demand a second look and, sometimes, close scrutiny. I remember more than once almost knocking people over to get close to someone who turned out to be a perfect stranger.

All this was going through my mind as I set the volume of the phone on the loudest setting, got into bed, and tried to go to sleep. I guess I did fall into an uneasy doze because the jarring ring of the phone made me bolt up. I saw from the lighted dial on the clock that it was five minutes to three. With one hand I snapped on the bedside light...

Her next suspense novel, Where Are You Now? will be published by Simon & Schuster in April 2008.

She is the author of twenty-six previous suspense novels, Where Are the Children? (1975), A Stranger Is Watching (1978), The Cradle Will Fall (1980), A Cry in the Night (1982), Stillwatch (1984), Weep No More, My Lady (1987), While My Pretty One Sleeps (1989), Loves Music, Loves to Dance (1991), All Around the Town (1992), I'll Be Seeing You (1993), Remember Me (1994), Let Me Call You Sweetheart (1995), Silent Night (1995), Moonlight Becomes You (1996), Pretend You Don't See Her (1997), You Belong To Me (1998), All Through the Night (1998), We'll Meet Again (1999), Before I Say Good-Bye (2000), On the Street Where You Live (2001), Daddy's Little Girl (2002), The Second Time Around (2003), Nighttime is My Time (2004), No Place Like Home (2005), Two Little Girls in Blue (2006) and I Heard That Song Before (2007). She is the author of three collections of short stories, The Anastasia Syndrome & Other Stories (1989), The Lottery Winner: Alvirah & Willy Stories (1994) and My Gal Sunday: Henry and Sunday Stories (1996). Her first book, a biographical novel about George Washington, was re-issued with the title, Mount Vernon Love Story, in June 2002. Her memoir, Kitchen Privileges, was published by Simon & Schuster in November 2002. Her first children's book, Ghost Ship, illustrated by Wendell Minor, was published in April 2007 as a Paula Wiseman Book/Simon & Schuster Books for Young Readers.

She is co-author, with her daughter Carol Higgins Clark, of four holiday suspense novels Deck the Halls (2000), He Sees You When You're Sleeping (2001), The Christmas Thief (2004) and Santa Cruise (2006).

Two of her novels were made into feature films, Where Are the Children? and A Stranger Is Watching. Many of her other works, novels and short stories, were made into television films.

Mary Higgins Clark's fame as a writer was achieved against heavy odds. Born and raised in the Bronx, her father died when she was eleven and her mother struggled to raise her and her two brothers. On graduating from high school, she went to secretarial school, so she could get a job and help with the family finances. After three years of working in an advertising agency, travel fever seized her. For the year 1949, she was a stewardess on Pan American Airlines' international flights. "My run was Europe, Africa and Asia," she recalls. "I was in a revolution in Syria and on the last flight into Czechoslovakia before the Iron Curtain went down." After flying for a year, she married a neighbor, Warren Clark, nine years her senior, whom she had known since she was 16. Soon after her marriage, she started writing short stories, finally selling her first to Extension Magazine in 1956 for $100.

Left a young widow by the death of her husband from a heart attack in 1964, Mary Higgins Clark went to work writing radio scripts and, in addition, decided to try her hand at writing books. Every morning, she got up at 5 AM and wrote until 7 AM, when she had to get her five children ready for school. Her very first book was a biographical novel about George Washington, inspired by a radio series she was writing, "Portrait of a Patriot." Originally published in 1969 by Meredith Press with the title Aspire to the Heavens, it was...