These are my same author - multiple books.  I'll do a 4 for 1 on these or any other books on my shelf.   Thank you for looking.

Karen Robards

  Obsession

  Guilty

Nora Roberts

  Northern Lights

  Hot Ice

  Hidden Riches

  River's End

  The Villa

  Divine Evil

Karin Slaughter

  Fractured

  Faithless

  Triptych

Fred Mustard Stewart

  The Titan

  The Magnificent Savages

Eric Lustbader

  The Miko

  Jian

  Dark Homecoming

  Sirens

  The Kaisho

  Shan

  Second Skin

  French Kiss

Bay Matthews

  Summer's Promise

  Some Warn Hunger

Anne McCaffrey

  Freedom's Landing

  Power Lines

  Moreta

Penny Richards

  Hers to Protect

  The Gretest Gift of All

  Their Child

  Rambler's Rest

Julius Alvin

  Gross Jokes

  Utterly Gross Jokes

Andrea Kane

  I'll Be Watching You

  Wrong Place, Wrong Time

Jonathan Kellerman

  Bad Love

  Self Defense

  Deception 

  Gone

  Compulsion

  Obsession

  Bones

Dean Koontz

  Brother Odd

  Shadowfires

  The Husband

  The Vision

  The Face of Fear

  Mr. Murder

  The Door To December

Michael Korda

  The Fortune

  Queenie

Tom Clancy

  Games of State

  Red Storm Rising

  Divide and Conquer

Mary Higgins Clark

  Before I Say Goodbye

  Moonlight Becomes You

  Daddy's Little Girl

Patricia Cornwell

  Cruel & Unusual

  Portrait of a Killer

Clive Cussler

  Lost City

  Dragon

  Vixen 03

  Raise the Titanic

  Shock Wave

Jeffrey Deaver

  The Lesson of Her Death

  Mistress of Justice

Lois Duncan

  Stranger With My Face

  The Twisted Window

  Don't Look Behind You

Dominick Dunne

  An Inconvenient Woman

  Another City, Not My Own

Lisa Garnder

  The Third Victim

  The Survivors Club

Linda Howard

  Now You See Her

  Killing Time

  Raintree

John Jakes

  American Dreams

  Charleston

Amanda Ashley - 5 credits for all

A Darker Dream

Night's Kiss

Night's Touch

Night's Master

Embrace The Night

Shades of Gray

Dead Sexy

Dead Perfect

Deeper Than The Night

Desire After Dark

Midnight Embrace

After Sundown

Bumping up