An uninvited guest. A missing identity. A trail of deadly secrets. When a horrified bridesmaid finds the body of a young woman at a wedding reception, it makes the bride and groom’s choice of a Saints and Sinners theme all the more macabre. There are no means of identification and nobody knows the victim. The bride is convinced someone is trying to sabotage her big day. The groom is sure it’s a dreadful mistake. It’s up to brilliant psychologist Alex Delaware and LAPD Lieutenant Milo Sturgis to uncover the truth.

Psychologist Dr. Alex Delaware meets beautiful and emotionally fragile TV actress Zelda Chase when called upon to evaluate her five-year-old son, Ovid. Years later, Alex is unexpectedly reunited with Zelda when she is involuntarily committed after a bizarre psychotic episode. Shortly after Zelda's release, an already sad situation turns tragic when she is discovered dead on the grounds of a palatial Bel Air estate.

A brilliant criminal psychologist, Alex works with the police to help solve the most complex of crimes in Los Angeles, city of illusions, glamour and infamy. An affluent family returns home from Sunday dinner only to find the murdered and brutalised corpse of a total stranger in their house. This baffling, twisted tale tests Alex and Milo to their intellectual and emotional limits.

At nearly 100 years old, Thalia Mars is a far cry from the patients that child psychologist Alex Delaware normally treats. But the charming, witty woman convinces Alex to meet with her in a suite at the Aventura, a luxury hotel with a checkered history. What Thalia wants from Alex are answers to unsettling questions - about guilt, patterns of criminal behavior, victim selection. When Alex asks the reason for her morbid fascination, Thalia promises to tell all during their next session. When he shows up the following morning, he is met with silence: Thalia is dead.

A series of horrifying events occur in quick succession in the same upscale L.A. neighborhood. A backyard renovation unearths an infant’s body, buried 60 years ago. And soon thereafter in a nearby park, another disturbingly bizarre discovery is made not far from the body of a young woman shot in the head. Helping LAPD homicide detective Milo Sturgis to link these eerie incidents is brilliant psychologist Alex Delaware. But even the good doctor’s vast experience with matters both clinical and criminal might not be enough to cut down to the bone of this chilling case - and draw out the disturbing truth.

Unraveling the madness behind L.A.’s most baffling and brutal homicides is what sleuthing psychologist Alex Delaware does best. And putting the good doctor through his thrilling paces is what mystery fiction’s #1 best-selling master of psychological suspense Jonathan Kellerman does with incomparable brilliance. Kellerman’s universally acclaimed novels blend the addictive rhythms of the classic police procedural with chilling glimpses into the darkest depths of the human condition.

A tipsy young woman seeking aid on a desolate highway disappears into the inky black night. A retired schoolteacher is stabbed to death in broad daylight. Two women are butchered after closing time in a small-town beauty parlor. The ultimate whodunits, these crimes demand the attention of LAPD detective Milo Sturgis and his collaborator on the crime beat, psychologist Alex Delaware.

Few know the city of Los Angeles the way #1 best-selling author and acclaimed suspense master Jonathan Kellerman does. His thrilling novels of psychological drama and criminal detection make the capital of dreams a living, breathing character in all its glamour and infamy. That storied history of fame, seduction, scandal, and murder looms large in Mystery, as Alex Delaware finds himself drawn into a twisting, shadowy whodunit that's pure L.A. noir - and vintage Kellerman.

Tanya Bigelow was a solemn little girl when Dr. Alex Delaware successfully treated her obsessive-compulsive symptoms. Now, at 19, Patty Bigelow, Tanya's aunt and adoptive mother, has made a deathbed confession of murder and urged the young woman to seek Delaware's help.

Her name is Elise Freeman, and her chilling cry for help to whoever may be listening comes too late to save her. On a DVD found near her lifeless body, the emotionally and physically battered woman chronicles a year-and-a-half-long ordeal of monstrous abuse at the hands of three sadistic tormentors. But even more shocking than the lurid details is the revelation that the offenders, like their victim, are teachers at one of L.A.s most prestigious prep schools.

Psychologist Dr. Alex Delaware confronts a killer who takes as much pleasure in matching wits with the police as in robbing human life. A diplomat's retarded daughter is murdered on a school field trip. The girl's father denies the possibility of a political motive, leaving LAPD detective Milo Sturgis and his longtime friend, Alex Delaware, stymied. When another killing occurs, Alex finds himself ensnared in one of the most menacing cases of his career.

Responding to a call at a mansion in an East Bay neighbourhood, Deputy Coroner Clay Edison comes upon the body of Dr Walter Rennert, a controversial Berkeley psychologist, sprawled at the foot of his stairs. There are no wounds and no signs of intrusion or struggle. Clay knows the obvious diagnosis is natural death. But 10 years ago, Rennert's partner was found dead, and to this day the crime remains unsolved.

The anonymous caller has an ominous tone and an unnerving message about something "real dead . . . buried in your marsh." The eco-volunteer on the other end of the phone thinks it's a prank, but when a young woman's body turns up in L.A.'s Bird Marsh preserve no one's laughing. And when the bones of more victims surface, homicide detective Milo Sturgis realizes the city's under siege to an insidious killer. Milo's first move: calling in psychologist Alex Delaware.

"Been a while since I had me a nice little whodunit," homicide detective Milo Sturgis tells Alex Delaware. But there's definitely nothing nice about the brutal tableau behind the yellow crime-scene tape. On a lonely lover's lane in the hills of Los Angeles, a young couple lies murdered in a car. Each bears a single gunshot wound to the head.

It's a story tailor-made for the nightly news: Dylan Meserve and Michaela Brand, young lovers and fellow acting students, vanish on the way home from a rehearsal. Three days later, the two of them are found in the remote mountains of Malibu, battered and terrified after a harrowing ordeal at the hands of a sadistic abductor.