Second audiobook with Book Studio

Super excited to announce I’ve signed with Book Studio to produce a second audiobook project, Gurdjieff and the Women of the Rope! Earlier this year I produced Undiscovered Country: A Spiritual Adventure by Kathryn Hulme. I had never heard of her or her work. But as I learned more about her, I realized what an honor it was to be her voice in this personal memoir.

As soon as Undiscovered Country is published, I’ll let you know!

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She did it! New mystery now on Audible







The first thing you should know is: I did it.

The moment I read the opening line to Stardusted: A Frankie Franklin Mystery, I was in! Ever since my grandma introduced to classic movies starring Myrna Loy,  Jean Harlow, Olivia de Havilland, Errol Flynn and Clark Gable, I’ve had a thing for old Hollywood. In this cozy comedic mystery set in the 1930s, I got to be the voice of America’s Kid Sister, Frankie Franklin who holds the smoking gun in a terrible on-set prank, or attempted murder…

Thank you, Deb McCaskey for allowing me to play in your world of glamour and grit!

Listen to Chapter One

Get the Audiobook

Audible US

Audible UK

Audible FR

Audible DE


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New audiobook now on Audible

I’m honored to have narrated Rye’s Reprieve Montana Sky Series (Harper Ranch Book 1) by Louella Nelson.

I’ve been an avid reader of Debra Holland‘s Montana Sky Series, and it was a lot of fun to take on the voices of characters like Prudence Morgan who was a heroine of the related Mail-Order Brides of the West series.

Thank you, Debra & Louella, for this fun project.

If you enjoy Western historical romance, you can download your copy:

Audible US

Audible UK



About the book

In 1886, gifted surgeon Rye Rawlins is trapped by a tragic secret so painful that he denies his profession and buries himself in a gold mine in Montana Territory. But saving people is second nature, whether it’s doctoring a man mauled by a mountain lion or battling a wolf to save a child. Veterinarian and horse rancher Missouri Harper suffers through the worst winter in Montana history to provide for three beautiful sisters and an ailing aunt. Dangerous storms, privation, and wild predators make survival precarious.

Rye comes to Missouri’s aid, putting his life in danger and Missouri in his debt. As they fall in love, his secret and her promise to remain a spinster to protect the land for her family force them to look within to discover the cost of love.

Rye’s Reprieve was originally published as a Montana Sky Kindle world book.

Listen to Rye’s Reprieve today on Audible

Audible US

Audible UK

Mary Castillo and is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to

Reading Around

Mysteries + Romance + Audiobooks for the week of Sept 10, 2019

If you’re like me, you’re reading an ebook, a print book and an audiobook (or two). And let’s not get into podcasts because I’ve happily fallen into that rabbit hole, too.

Or, you don’t and you’re wondering how my head hasn’t exploded.

Below are my current reads with links if you’re interested in adding them to your TBR (To Be Read) list/pile/queue.

Cozy Mystery – Kindle

Death Overdue: A Haunted Library Mystery by Allison Brook

All the feel good coziness you want in a fall themed cozy mystery, plus a one-ghost rating for spookiness.

Historical Mystery – Kindle Unlimited Audible

Relative Fortunes: A Julia Kydd Novel, Book 1 by Marlowe Benn; Narrated by Sarah Zimmerman

At first I had a tough time getting behind this 1920s-era amateur sleuth. She’s motivated by financial gain to solve the suicide or murder of a suffragette. The more she understands the plight of the woman on the front lines to secure the 19th Amendment, the more she realizes that without her privilege, she is just as vulnerable as the next woman.

Red Herring: True Crime Audible

Lost Girls: An Unsolved American Mystery by Robert Kolker; Narrated by Sean Pratt

I’m listening to this in bits and bites. It’s hard to listen to one downfall story after the next. But strangely compelling. I’ll keep you posted.

I use affiliate links to Amazon.

The dead are waiting

What readers are saying about the Dori O. Paranormal Mystery Series:

Book One: Lost in the Light

★★★★ “Full of mystery, emotion, and a plot that keeps the readers on their toes, I couldn’t peel my eyes away.”
★★★★ “This book captivated me. One of my favorite mystery reads of the year, and one to get your to-read list!”

Amazon & Audible
Barnes & Noble

Book Two: Girl in the Mist (novella)

★★★★ “I loved the ghost aspect of the story…well thought out and shocking!”
★★★★ “…the emotional power kicks in, along with a mystery that held me spellbound.”

Amazon & Audible
Barnes & Noble

Book Three: Lost in Whispers

★★★★“The best book in the series so far!”
★★★★“An eerie, absorbing journey.”
★★★★“I could hardly put it down after starting it. Love the strong badass women characters. This book had it all; romance, action, & paranormal activity. Can’t wait to see what Dori does next!”

This title is currently under review and will be republished in Fall 2020.