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Sherlock Holmes: The Cryptid Files The Case of Bigfoot

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Step into the shadows with Sherlock Holmes—where the line between myth and desire blurs.

When a series of chilling encounters points to a creature thought only to exist in folklore, Holmes is drawn into his first cryptid investigation. But this is no ordinary case. In the heart of the Southern gothic landscape, secrets twist through the darkness, passions ignite, and danger lurks in the form of something primal—something powerful.

Blending the razor-sharp intellect of the world’s greatest detective with paranormal seduction and gothic horror, this Bigfoot erotica thriller will leave your pulse racing and your imagination haunted.

Mystery. Terror. Temptation.
Holmes has never faced a case like this… and neither have you.

188 pages, Kindle Edition

Published September 9, 2025

6 people are currently reading
8 people want to read

About the author

N.S. Thorngrave

3 books3 followers
N.S. Thorngrave is a paranormal and monster erotica author whose work ignites the shadows where folklore, desire, and mystery collide. Best known for the Sherlock Holmes: The Cryptid Files series, Thorngrave reimagines the world’s most famous detective through a dark, seductive lens—blending classic mystery with cryptids, Southern Gothic atmosphere, and unapologetically erotic storytelling.

Living in the North Georgia mountains, Thorngrave draws inspiration from mist-covered forests, Appalachian legends, and a lifelong fascination with the paranormal and unexplained. Holding a master’s degree in literacy, Thorngrave brings a deep understanding of language, narrative tension, and character psychology to every story—crafting tales that are as intellectually engaging as they are provocative.

When not writing, Thorngrave can be found researching obscure legends, haunting old bookshops, or plotting the next case in the shadows. Readers who crave mystery, monsters, and heat will feel right at home in Thorngrave’s darkly alluring worlds.

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Displaying 1 - 8 of 8 reviews
Profile Image for Addie.
119 reviews1 follower
December 15, 2025
ok so this is exactly what I was hoping for lol it was just silly goofy and overall a great time. the author is also so nice!!

there were some editing misses and typos - but overall is was a spicy, fun read that had me chuckling! I will give his mothman one a read when it comes out next year
Profile Image for Julia.
146 reviews2 followers
December 15, 2025
My friends, this was a vibes read if I ever saw one. I met the author at a local book fair. I had a great time talking to him and all the things in this story. I can tell he had an absolute blast writing it.

You won’t pick this up for the finely crafted prose. This was like one of those crazy B-roll monster or sci-fi movies that you enjoy because it makes you laugh so hard. It’s a spicy Sherlock Holmes fan fic that also blends monsters with Mexican and Native American folklore.

Yes, Myra does get it in with Bigfoot…a lot. Holmes gets his own encounter. However, there is no group scene (I had several ask me when I talked about it).

You will have to overlook a multitude of grammar and spelling errors and some figurative language that makes you scratch your head. But, if you want something that will make you laugh from the ever-unexpected events… you may want to check it out!
Profile Image for May Pelham.
15 reviews575 followers
January 27, 2026
OKAY ALOT TO UNPACK
I do have to say I did dnf. NOT BECAUSE I DIDNT LIKE IT- I did! I liked the writing style, the story and the plot! and after thinking about it, I'm blaming being hangry.

so! sherlock is travelling from the UK to the us after receiving a letter from a women who is having some trouble with a unknown beast haunting her in the woods out from of her house. while on the boat over he meets a waitress, and they start getting freaky, she gives him a....massage I'm going to say and OUT OF ALL THE LANGUAGE USED the author uses "English sex pole"

"sherlock felt the warm and moist flesh touch his mouth and he began shoving his tongue in and out of her softly. the inside of Selma grabbed his tongue as if a hundred tenacles grabbed hold" YUCK but then it became apparent that Selma wasn't human...

it appears that everyone sherlock meets on his travels is some sort of legend or mythical creature
" Vlad from Romania"
"la Llorona from Mexico"
"Aaron who knew a little too much about jack the ripper"

" the beast moved his leathery hands up her thighs and into her flower"
and that's where I stopped..

I was having a good time reading it, its funny and quirky. OF COURSE a monster romance about bigfoot is going to be funny, but the use of the words "English sex pole" and "flower" pushed me a little over the edge while being hangry, but I do think I'll come back to it.
Profile Image for Denise Douglas.
16 reviews2 followers
December 22, 2025
Sherlock Holmes, The Cryptid Files: Case of Bigfoot was an unexpected and intriguing read. I was immediately excited going in because it combined two things I don’t often see together...Sherlock Holmes and spice. That alone made it stand out.
What worked for me was the choice to move away from the usual Holmes-versus-Moriarty framework. Instead, the story centers on a secret society that appears to protect paranormal creatures, including Bigfoot. This society takes the place of the traditional nemesis and gives the mystery a very different structure than classic Sherlock Holmes stories.
Bigfoot himself is introduced less as a mystery to be solved and more as a sexual presence for the FMC, which clearly sets the tone for how the cryptid element is used in the story. The book isn’t afraid to lean into this unconventional approach, blending mystery, paranormal themes, and erotic elements in a bold and niche way.
Overall, this is a distinct genre mashup that will appeal to readers looking for something outside the boundaries of traditional Sherlock Holmes interpretations,especially those curious about paranormal erotica with a familiar literary figure at its center.
This entire review has been hidden because of spoilers.
Profile Image for Desiree Darling.
4 reviews2 followers
January 5, 2026
Where to start? I went into this read slightly biased as I adore the author and his super kind and friendly demeanor, but but, Sherlock Holmes? Cryptids? A mysterious symbol that keeps showing up? What does it all mean? Add some spice (and everything nice) and you have this amazing read! From a sassy ship server, to a librarian???? What will happen? This was a delicious mix of romance, mystery, and suspense, a tall broodin furball with touch her and unalive vibes? I could go on, but I'll let you in on a little secret, read this book, and you'll be safe from Carmen!!! She's fiesty, and really good with a letter opener... don't know what I mean? read the case and solve it for yourself!

Amazing!
Profile Image for Miss G.
4 reviews1 follower
December 2, 2025
This is a fast paced book, that is a quick read. I enjoyed the twists and it is certainly not predictable. There are elements of witchcraft, suspense and smut. It might not be for everyone but if you enjoy an erotic suspense/ thriller type of book then give it a go. I am looking forward to the sequel.
Profile Image for Whitney Hayes.
4 reviews
September 24, 2025
This was very unexpected and a great read!! There were elements of romance, horror, thrillers and mystery…all in one book about Bigfoot! I loved it. It has spicy scenes that were great, but the plot was the main focus. Can’t recommend this book enough!
Profile Image for Cristy Woodruff.
20 reviews4 followers
January 23, 2026
Such a fun read

I loved this story. Sherlock seems to ruffle some feathers, but in the end you will see just what happens with MS. Bedford.
Displaying 1 - 8 of 8 reviews

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