Mark O’Brien
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bookmarkobrien.bsky.social
Mark O’Brien
@bookmarkobrien.bsky.social
6.4K followers 160 following 1.5K posts
Associate literary agent at Azantian Literary Agency, previously at NetGalley, Writers House, Stonesong, Triada US, and more. Queer, neuroscoundrel, he/him. #1 fan of my perfect cat Monroe and onion rings.

https://bookmarkobrien.com
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bookmarkobrien.bsky.social
Good Monroe morning and happy Monroe’s birthday to all! 🥹
My perfect tabby cat Monroe cuddling with me on my lap
February 5, 2026 at 3:27 PM
bookmarkobrien.bsky.social
Live from Lap
My perfect tabby cat Monroe lying on my lap, looking at the camera
February 2, 2026 at 6:11 PM
bookmarkobrien.bsky.social
Keep on the sunny side, always on the sunny side
Keep on the sunny side of life
It will help us every day, it will brighten all the way
If we keep on the sunny side of life
My perfect tabby cat Monroe luxuriating in a sunbeam on the carpet
January 30, 2026 at 2:05 PM
bookmarkobrien.bsky.social
Good Monroe morning
Close-up of my perfect tabby cat Monroe’s face as she lays on the carpet, eyes wide
January 27, 2026 at 3:13 PM
bookmarkobrien.bsky.social
Good Monroe morning!
My perfect tabby cat Monroe lying in her rainbow-colored cat bed
January 25, 2026 at 2:54 PM
bookmarkobrien.bsky.social
hello
Close-up of my perfect tabby cat Monroe’s beautiful face as she stands on me in my bed
January 19, 2026 at 7:32 PM
bookmarkobrien.bsky.social
If I ever ask whether you caught the big game last night, please know I am talking about this
The ol’ ball on a string in a cup game
January 12, 2026 at 2:46 PM
bookmarkobrien.bsky.social
ma’am…
My perfect tabby cat Monroe asleep in her rainbow-colored bed, one hind leg sticking up in the air
January 11, 2026 at 11:45 PM
bookmarkobrien.bsky.social
Me too, Ms Monroe
My perfect tabby cat Monroe lying in her rainbow-colored bed, visibly sleepy yet awake
January 11, 2026 at 12:25 AM
bookmarkobrien.bsky.social
Photo of my perfect tabby cat Monroe lying comfortably atop a backpack by the window, one eye open, sunbeams all over her
January 7, 2026 at 6:10 PM
bookmarkobrien.bsky.social
And now a moment of Monroe
My perfect tabby cat Monroe lying on my lap
January 6, 2026 at 7:11 PM
bookmarkobrien.bsky.social
Hello

-Monroe ft. Cup
Close-up blurry photo of my perfect tabby cat Monroe’s face as I scratch her behind the ear where she likes
December 26, 2025 at 5:44 PM
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meow
My perfect tabby cat Monroe sitting on the floor, looking up at me, her eyes wide, whiskers long and majestic. She is the most wonderful creature, God’s favorite cat.
December 19, 2025 at 6:32 PM
bookmarkobrien.bsky.social
I just know Monroe thinks about me when she listens to Paparazzi by Lady Gaga
My perfect cat Monroe lying on the carpet
December 16, 2025 at 8:02 PM
bookmarkobrien.bsky.social
Monroe, also known as Monrosie, Monroe Josephine, Monroe Row Row Your Boat, Roeroe, and Ms. Meow, among other known pseudonyms
My perfect tabby cat Monroe looking up at me with wide eyes and the intent to pounce
December 13, 2025 at 6:11 PM
bookmarkobrien.bsky.social
Broke: discourse
Bespoke: this horse
Lil Sebastian, the mini horse from Parks & Recreation
December 9, 2025 at 10:13 PM
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Today on the menu we have: biscuits
My perfect tabby cat Monroe lying on the floor in front of the oven
December 6, 2025 at 6:22 PM
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Close-up photo of my perfect tabby cat Monroe’s big, wide eyes
November 30, 2025 at 5:24 PM
bookmarkobrien.bsky.social
Selfie with my perfect tabby cat Monroe lying in my lap
November 15, 2025 at 6:12 PM
bookmarkobrien.bsky.social
ok! I choose “or else” :) so what now?
When It Comes to AI, Adapt or Else, Says Keith Riegert Keith Riegert, president of the Stable Book Group, offered a master class on Al tools during the recent Sharjah Publishers Conference. He described Al as both transformative and unsettling, telling publishers, "It's time to use it or get left behind." more »
November 6, 2025 at 4:46 PM
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Good Monroe morning
Photo of my perfect tabby cat Monroe in her rainbow cat bed with her tongue sticking out
November 6, 2025 at 1:50 PM
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Hello from Mrs. Big Eyes
Selfie with my perfect tabby cat Monroe cuddling on my lap, eyes wide
October 30, 2025 at 4:06 PM
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Too Little Too Late by JoJo
October 24, 2025 at 4:02 PM
bookmarkobrien.bsky.social
meow
Selfie with my perfect tabby cat Monroe lying on my chest
October 20, 2025 at 6:06 PM
bookmarkobrien.bsky.social
Good Monroe morning
My perfect tabby cat Monroe cuddling with me
October 19, 2025 at 1:31 PM