Agatha Award – Nonfiction

2018 Agatha Award – Nonfiction

Mastering Plot Twists

Jane Cleland

2017 Agatha Award – Nonfiction

From Holmes to Sherlock

Mattias Bostrom

2016 Agatha Award – Nonfiction

Mastering Suspense, Structure, and Plot: How to Write Gripping Stories that Keep Readers on the Edge of Their Seats

Jane K. Cleland

2015 Agatha Award – Nonfiction

The Golden Age of Murder: The Mystery of the Writers Who Invented the Modern Detective Story

Martin Edwards

2014 Agatha Award – Nonfiction

Writes of Passage – Adventures on the Writer’s Journey

Hank Phillippi Ryan

2013 Agatha Award – Nonfiction

The Hour of Peril: The Secret Plot to Murder Lincoln Before the Civil War

Daniel Stashower

2012 Agatha Award – Nonfiction

Books to Die For

John Connolly/Declan Burke

2011 Agatha Award – Nonfiction

Books, Crooks and Counselors

2010 Agatha Award – Nonfiction

Agatha Christie’s Secret Notebooks

John Curran

2009 Agatha Award – Nonfiction

Dame Agatha’s Shorts

Elena Santangelo

2008 Agatha Award – Nonfiction

How to Write Killer Historical Mysteries

Kathy Lynn Emerson

2007 Agatha Award – Nonfiction

Arthur Conan Doyle: A Life in Letters

Jon Lellenberg, Daniel Stashower, and Charles Foley

2006 Agatha Award – Nonfiction

Don’t Murder Your Mystery

Chris Roerden

2005 Agatha Award – Nonfiction

Girl Sleuth: Nancy Drew and the Women Who Created Her

Melanie Rehak

2004 Agatha Award – Nonfiction

Private Eye-Lashes: Radio’s Lady Detectives

Jack French

2003 Agatha Award – Nonfiction

Amelia Peabody’s Egypt: A Compendium

Elizabeth Peters and Kristen Whitbread

2002 Agatha Award – Nonfiction

They Died in Vain: Overlooked, Underappreciated, and Forgotten Mystery Novels

Jim Huang

2001 Agatha Award – Nonfiction

Seldom Disappointed: A Memoir

Tony Hillerman

2000 Agatha Award – Nonfiction

100 Favorite Mysteries of the Century

Jim Huang

1999 Agatha Award – Nonfiction

Teller of Tales: The Life of Arthur Conan Doyle

Daniel Stashower

1998 Agatha Award – Nonfiction

Mystery Reader’s Walking Guide to Washington D.C.

Alzina Stone Dale

1997 Agatha Award – Nonfiction

Detecting Men (Pocket Guide)

Willeta Heising

1996 Agatha Award – Nonfiction

Detecting Women 2

Willetta Heising

1995 Agatha Award – Nonfiction

Mystery Readers Walking Guide­Chicago

Alzina Stone Dale

1994 Agatha Award – Nonfiction

By a Woman’s Hand

Jean Swanson & Dean James

1993 Agatha Award – Nonfiction

The Doctor, The Murder, The Mystery

Barbara D’ Amato