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Allan Kaster

@infinivoxsf.bsky.social

170 followers 110 following 1K posts

Editor of The Year's Top Hard Science Fiction Stories, The Year's Top Robot and AI Stories, The Year's Top Tales of Space and Time, The Year's Best Science Fiction on Earth, and other anthologies.

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Allan Kaster @infinivoxsf.bsky.social · 3h

Brain vs body!

Pre-order the book:
www.amazon.com/gp/product/B...

Allan Kaster @infinivoxsf.bsky.social · 6h

Daryl Gregory on SALE
@darylwriterguy.bsky.social

"Brother Rifle"
www.infinivoxsf.com/hard-sf-5

"Once Upon a Future in the West"
www.infinivoxsf.com/robots-ai-4

"I'm Not Disappointed ..."
www.infinivoxsf.com/space-time-5

Sale ends 10/22.
www.infinivoxsf.com/product-page...

Allan Kaster @infinivoxsf.bsky.social · 9h

Story details:

"Once Upon a Future in the West"
www.infinivoxsf.com/robots-ai-4

"Brother Rifle"
www.infinivoxsf.com/hard-sf-5

"I'm Not Disappointed Just Mad . . ."
www.infinivoxsf.com/space-time-5

Allan Kaster @infinivoxsf.bsky.social · 1d

Novellas by three of the genre's most revered authors.
www.infinivoxsf.com/3-hard-shots...

Available as:
ebook;
paperback;
signed numbered limited edition hardcover

1 1

Allan Kaster @infinivoxsf.bsky.social · 1d

Some bots just worry too much.

Pre-order the book:
www.amazon.com/gp/product/B...

Allan Kaster @infinivoxsf.bsky.social · 1d

This story is included in The Year's Top Hard Science Fiction Stories 9
www.infinivoxsf.com/hard-sf-9

Allan Kaster @infinivoxsf.bsky.social · 2d

20 spectacular space operas including Hugo Award winning stories by Michael Swanwick and Peter Watts.
www.infinivoxsf.com/2020-space-o...

Allan Kaster @infinivoxsf.bsky.social · 2d

Bots can have a long lifespan!

Pre-order the book:
www.amazon.com/gp/product/B...

Allan Kaster @infinivoxsf.bsky.social · 2d

Brilliant singularity tale.
Early Stross story!

A genius is contacted by a rogue AI made up of hijacked lobster brains.
www.infinivoxsf.com/lobsters

Allan Kaster @infinivoxsf.bsky.social · 3d

20 stories set on Mars including Hugo Award winning stories by Geoffrey A. Landis and Allen M. Steele.
www.infinivoxsf.com/2020-mars-book

Allan Kaster @infinivoxsf.bsky.social · 3d

Bot . . . girl . . . resistance!

This story hits all the right notes.
Nice job @ecastroianni.bsky.social

Pre-order the book:
www.amazon.com/gp/product/B...

Allan Kaster @infinivoxsf.bsky.social · 3d

🤔
infinivox.blogspot.com/2025/10/sci-...

Allan Kaster @infinivoxsf.bsky.social · 7d

📖🚀
Check out our book specials at CONtraflow XI
this weekend in Kenner.

The "Best Sci-Fi on Earth" is coming at you!

See you in the dealers room.

Allan Kaster @infinivoxsf.bsky.social · 7d

War has changed just a tad since WW2.
Bang-up story Jay Werkheiser!

Pre-order book:
www.amazon.com/gp/product/B...

Allan Kaster @infinivoxsf.bsky.social · 7d

Oh, yeah!

We've got @atgreenblatt.bsky.social on sale.

"Re:Bubble 476" in
www.infinivoxsf.com/space-time-2

"Waystation City" in
www.infinivoxsf.com/space-time-4

Go for it!
Sale ends October 15.
www.infinivoxsf.com/product-page...

Allan Kaster @infinivoxsf.bsky.social · 7d

New dimensions in space and time!

Story details:

"Re: Bubble 476"
www.infinivoxsf.com/space-time-2

"Waystation City"
www.infinivoxsf.com/space-time-4

Allan Kaster @infinivoxsf.bsky.social · 8d

📖🚀👩‍�
Check out our book specials at CONtraflow XI
this weekend in Kenner!

The "Best Sci-Fi on Earth" is coming at you!

See you in the dealers room!

Allan Kaster @infinivoxsf.bsky.social · 8d

Novellas by three of the genre's most revered authors.
www.infinivoxsf.com/3-hard-shots...

Available as:
ebook;
paperback;
signed numbered limited edition hardcover

Allan Kaster @infinivoxsf.bsky.social · 8d

A heart-warming tale from the coding world.
Way to stick the landing on this! @librariangoblin.bsky.social

Pre-order the book:
www.amazon.com/gp/product/B...

Allan Kaster @infinivoxsf.bsky.social · 8d

This story is included in The Year's Top Hard Science Fiction Stories 9
www.infinivoxsf.com/hard-sf-9

Reposted by Allan Kaster

Locus Magazine @locusmag.bsky.social · 8d

Alexandra Pierce reviews THE YEAR’S TOP HARD SCIENCE FICTION STORIES 9 edited by @infinivoxsf.bsky.social: “The stories are genuinely varied, every one deserved to be there, and I discovered some authors I had not previously encountered.”

The Year’s Top Hard Science Fiction Stories 9 edited by Allan Kaster: Review by Alexandra Pierce

The Year’s Top Hard Science Fiction Stories 9, Allan Kaster, ed. (Infinivox 978-1-88461-282-4 $19.99, 316pp, tp) June 2025. Cover by Maurizio Manzieri. The latest Year’s Top Hard Science Fiction St…

locusmag.com

3 12

Allan Kaster @infinivoxsf.bsky.social · 9d

📖🚀👩

Check out our book specials at CONtraflow XI
this weekend in Kenner!

The "Best Sci-Fi on Earth" is coming at you!

See you in the dealers room!

Allan Kaster @infinivoxsf.bsky.social · 9d

20 spectacular space operas including Hugo Award winning stories by Michael Swanwick and Peter Watts.
www.infinivoxsf.com/2020-space-o...

1 2

Allan Kaster @infinivoxsf.bsky.social · 9d

Go somewhere!

Pre-order:
www.amazon.com/gp/product/B...

Allan Kaster @infinivoxsf.bsky.social · 9d

"Beware the strangeness of strangers. Unknown things bring unknown danger?"

This is a fan favorite!
www.infinivoxsf.com/guest-law