Novels
ASPIRE TO THE HEAVENS 1960
WHERE ARE THE CHILDREN? 1975
A STRANGER IS WATCHING 1977
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 SWEETHEARTt 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 GOODBYE 2000
DECK THE HALLS 2000
ON THE STREET WHERE YOU LIVE 2001
DADDY'S LITTLE GIRL 2002
MOUNT VERNON LOVE STORY 2002
MURDER IN THE FAMILY 2002 - with Stanley Cohen, Dorothy Salisbury Davis, Judith Kelman, Susan Isaacs
KITCHEN PRIVVILEGES 2002
THE SECOND TIME AROUND 2003
NIGHTTIME IS MY TIME 2004
NO PLACE LIKE HOME 2005
TWO LITTLE GIRLS IN BLUE 2006
I HEARD THAT SONG BEFORE 2007
WHERE ARE YOU NOW? 2008
JUST TAKE MY HEART 2009
THE  SHADOW OF YOUR SMILE 2010
I'LL WALK ALONE 2011
THE LOST YEARS 2013
DADDY’S GONE A HUNTING 2013
I’VE GOT YOU UNDER MY SKIN 2014
THE CINDERELLA MURDER 2014 - with Alafair Burke
THE MELODY LINGERS ON 2015
ALL DRESSED IN WHITE 2015 - with Alafair Burke

Short Story collections
THE ANASTASIA SYNDROME AND OTHER STORIES 1990
THE LOTTERY WINNER 1996
MY GAL SUNDAY 1997
DEATH WEARS A BEAUTY MASK AND OTHER STORIES 2015

Anthologies Edited by Mary Higgins Clark
THE NIGHT AWAKENSs 2000
MURDER IN THE FAMILY 2002

With Carol Higgins Clark
DECK THE HALLS 2000
HE SEES YOU WHEN YOU'RE SLEEPING 2001
THE CHRISTMAS THIEF 2004
SANTA CRUISE: A HOLIDAY MYSTERY AT SEA 2006
DASHING THROUGH THE SNOW 2008
THE MAGICAL CHRISTMAS HORSE 2011

Picture Book
GHOST SHIP 2007 - illustrated by Wendell Minor

Under Suspicion (with Alafair Burke)

• THE CINDERELLA MURDER (2014)
• ALL DRESSED IN WHITE (2015)
• THE SLEEPING BEAUTY KILLER (2016)