Allan Kaster
@infinivoxsf.bsky.social
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.
20 spectacular space operas including Hugo Award winning stories by Michael Swanwick and Peter Watts.
Learn More:
www.infinivoxsf.com/2020-space-o...
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www.infinivoxsf.com/2020-space-o...
December 9, 2025 at 7:58 PM
20 spectacular space operas including Hugo Award winning stories by Michael Swanwick and Peter Watts.
Learn More:
www.infinivoxsf.com/2020-space-o...
Learn More:
www.infinivoxsf.com/2020-space-o...
A passenger aboard a generation starship wakes up to discover that everyone else is still in hibernation.
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www.infinivoxsf.com/days-between
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www.infinivoxsf.com/days-between
December 9, 2025 at 3:34 PM
A passenger aboard a generation starship wakes up to discover that everyone else is still in hibernation.
Learn More:
www.infinivoxsf.com/days-between
Learn More:
www.infinivoxsf.com/days-between
20 stories set on Mars including Hugo Award winning stories by Geoffrey A. Landis and Allen M. Steele.
Learn More:
www.infinivoxsf.com/2020-mars-book
Learn More:
www.infinivoxsf.com/2020-mars-book
December 8, 2025 at 8:30 PM
20 stories set on Mars including Hugo Award winning stories by Geoffrey A. Landis and Allen M. Steele.
Learn More:
www.infinivoxsf.com/2020-mars-book
Learn More:
www.infinivoxsf.com/2020-mars-book
The Year's Top Robot and AI Stories #6 at a glance.
YouTube video
youtu.be
December 8, 2025 at 6:13 PM
December 8, 2025 at 3:07 PM
Spin that space time tales reel!
The Year's Top Tales of Space and Time 5 details:
www.infinivoxsf.com/space-time-5
youtu.be/COS6o78bYO4
The Year's Top Tales of Space and Time 5 details:
www.infinivoxsf.com/space-time-5
youtu.be/COS6o78bYO4
The Year's Top Tales of Space and Time #5 at a glance.
YouTube video
youtu.be
December 8, 2025 at 3:34 AM
Spin that space time tales reel!
The Year's Top Tales of Space and Time 5 details:
www.infinivoxsf.com/space-time-5
youtu.be/COS6o78bYO4
The Year's Top Tales of Space and Time 5 details:
www.infinivoxsf.com/space-time-5
youtu.be/COS6o78bYO4
December 8, 2025 at 2:44 AM
December 7, 2025 at 5:04 PM
Learn More
Year's Top Tales of Space and Time #5
www.infinivoxsf.com/space-time-5
The 2020 Look at Mars Fiction Book
www.infinivoxsf.com/2020-mars-book
Year's Top Hard SciFi #9
www.infinivoxsf.com/hard-sf-9
Year's Top Tales of Space and Time #5
www.infinivoxsf.com/space-time-5
The 2020 Look at Mars Fiction Book
www.infinivoxsf.com/2020-mars-book
Year's Top Hard SciFi #9
www.infinivoxsf.com/hard-sf-9
December 7, 2025 at 3:47 PM
Learn More
Year's Top Tales of Space and Time #5
www.infinivoxsf.com/space-time-5
The 2020 Look at Mars Fiction Book
www.infinivoxsf.com/2020-mars-book
Year's Top Hard SciFi #9
www.infinivoxsf.com/hard-sf-9
Year's Top Tales of Space and Time #5
www.infinivoxsf.com/space-time-5
The 2020 Look at Mars Fiction Book
www.infinivoxsf.com/2020-mars-book
Year's Top Hard SciFi #9
www.infinivoxsf.com/hard-sf-9
Reposted by Allan Kaster
Coming December 15th! A new #sff anth about #pirates! SKULL X BONES from ZNB by ed @davidbcoe.bsky.social & @joshuapalmatier.bsky.social! Preorder the #ebook now!
Kindle: amzn.to/48rReUR
B&N: www.barnesandnoble.com/w/skull-x-bo...
Kobo: www.kobo.com/us/en/ebook/...
#booksky #fantasy #urbanfantasy
Kindle: amzn.to/48rReUR
B&N: www.barnesandnoble.com/w/skull-x-bo...
Kobo: www.kobo.com/us/en/ebook/...
#booksky #fantasy #urbanfantasy
December 6, 2025 at 8:21 PM
Coming December 15th! A new #sff anth about #pirates! SKULL X BONES from ZNB by ed @davidbcoe.bsky.social & @joshuapalmatier.bsky.social! Preorder the #ebook now!
Kindle: amzn.to/48rReUR
B&N: www.barnesandnoble.com/w/skull-x-bo...
Kobo: www.kobo.com/us/en/ebook/...
#booksky #fantasy #urbanfantasy
Kindle: amzn.to/48rReUR
B&N: www.barnesandnoble.com/w/skull-x-bo...
Kobo: www.kobo.com/us/en/ebook/...
#booksky #fantasy #urbanfantasy
December 6, 2025 at 7:11 PM
December 6, 2025 at 5:11 PM
Learn More
Year's Top Tales of Space and Time #5
www.infinivoxsf.com/space-time-5
The 2020 Look at Mars Fiction Book
www.infinivoxsf.com/2020-mars-book
Year's Top Hard SciFi #9
www.infinivoxsf.com/hard-sf-9
Year's Top Tales of Space and Time #5
www.infinivoxsf.com/space-time-5
The 2020 Look at Mars Fiction Book
www.infinivoxsf.com/2020-mars-book
Year's Top Hard SciFi #9
www.infinivoxsf.com/hard-sf-9
December 6, 2025 at 2:56 PM
Learn More
Year's Top Tales of Space and Time #5
www.infinivoxsf.com/space-time-5
The 2020 Look at Mars Fiction Book
www.infinivoxsf.com/2020-mars-book
Year's Top Hard SciFi #9
www.infinivoxsf.com/hard-sf-9
Year's Top Tales of Space and Time #5
www.infinivoxsf.com/space-time-5
The 2020 Look at Mars Fiction Book
www.infinivoxsf.com/2020-mars-book
Year's Top Hard SciFi #9
www.infinivoxsf.com/hard-sf-9
🚀
The entire series on sale for one low price!
Series details:
www.infinivoxsf.com/space-and-time
Sale ends today:
www.infinivoxsf.com/product-page...
🚀
The entire series on sale for one low price!
Series details:
www.infinivoxsf.com/space-and-time
Sale ends today:
www.infinivoxsf.com/product-page...
🚀
December 5, 2025 at 9:54 PM
🚀
The entire series on sale for one low price!
Series details:
www.infinivoxsf.com/space-and-time
Sale ends today:
www.infinivoxsf.com/product-page...
🚀
The entire series on sale for one low price!
Series details:
www.infinivoxsf.com/space-and-time
Sale ends today:
www.infinivoxsf.com/product-page...
🚀
Slip away clip!
The Year’s Best Science Fiction on Earth 3
Learn More: www.infinivoxsf.com/best-sf-on-e...
The Year’s Best Science Fiction on Earth 3
Learn More: www.infinivoxsf.com/best-sf-on-e...
The Year's Best Science Fiction on Earth 3 at a Glance
YouTube video
youtu.be
December 5, 2025 at 7:22 PM
Slip away clip!
The Year’s Best Science Fiction on Earth 3
Learn More: www.infinivoxsf.com/best-sf-on-e...
The Year’s Best Science Fiction on Earth 3
Learn More: www.infinivoxsf.com/best-sf-on-e...
December 5, 2025 at 5:43 PM
December 5, 2025 at 4:03 PM
🚀
The entire series on sale for one low price!
Series details:
www.infinivoxsf.com/space-and-time
Sale ends tomorrow:
www.infinivoxsf.com/product-page...
🚀
The entire series on sale for one low price!
Series details:
www.infinivoxsf.com/space-and-time
Sale ends tomorrow:
www.infinivoxsf.com/product-page...
🚀
December 4, 2025 at 9:30 PM
🚀
The entire series on sale for one low price!
Series details:
www.infinivoxsf.com/space-and-time
Sale ends tomorrow:
www.infinivoxsf.com/product-page...
🚀
The entire series on sale for one low price!
Series details:
www.infinivoxsf.com/space-and-time
Sale ends tomorrow:
www.infinivoxsf.com/product-page...
🚀
December 4, 2025 at 7:23 PM
Learn More
"Paley's Watch"
www.infinivoxsf.com/hard-sf-6
"Cuttlefish"
www.infinivoxsf.com/best-sf-eart...
Sale ends Dec. 10
www.infinivoxsf.com/product-page...
"Paley's Watch"
www.infinivoxsf.com/hard-sf-6
"Cuttlefish"
www.infinivoxsf.com/best-sf-eart...
Sale ends Dec. 10
www.infinivoxsf.com/product-page...
December 4, 2025 at 6:27 PM
Learn More
"Paley's Watch"
www.infinivoxsf.com/hard-sf-6
"Cuttlefish"
www.infinivoxsf.com/best-sf-eart...
Sale ends Dec. 10
www.infinivoxsf.com/product-page...
"Paley's Watch"
www.infinivoxsf.com/hard-sf-6
"Cuttlefish"
www.infinivoxsf.com/best-sf-eart...
Sale ends Dec. 10
www.infinivoxsf.com/product-page...
Learn More
"Paley's Watch"
www.infinivoxsf.com/hard-sf-6
"Cuttlefish"
www.infinivoxsf.com/best-sf-eart...
"Paley's Watch"
www.infinivoxsf.com/hard-sf-6
"Cuttlefish"
www.infinivoxsf.com/best-sf-eart...
December 4, 2025 at 2:33 PM
Learn More
"Paley's Watch"
www.infinivoxsf.com/hard-sf-6
"Cuttlefish"
www.infinivoxsf.com/best-sf-eart...
"Paley's Watch"
www.infinivoxsf.com/hard-sf-6
"Cuttlefish"
www.infinivoxsf.com/best-sf-eart...
🚀
The entire series on sale for one low price!
Series details:
www.infinivoxsf.com/space-and-time
Sale ends Friday:
www.infinivoxsf.com/product-page...
🚀
The entire series on sale for one low price!
Series details:
www.infinivoxsf.com/space-and-time
Sale ends Friday:
www.infinivoxsf.com/product-page...
🚀
December 3, 2025 at 10:35 PM
🚀
The entire series on sale for one low price!
Series details:
www.infinivoxsf.com/space-and-time
Sale ends Friday:
www.infinivoxsf.com/product-page...
🚀
The entire series on sale for one low price!
Series details:
www.infinivoxsf.com/space-and-time
Sale ends Friday:
www.infinivoxsf.com/product-page...
🚀
Novellas by three of the genre's most revered authors.
Learn More:
www.infinivoxsf.com/3-hard-shots...
Available as:
ebook;
paperback;
signed numbered limited edition hardcover
Learn More:
www.infinivoxsf.com/3-hard-shots...
Available as:
ebook;
paperback;
signed numbered limited edition hardcover
December 3, 2025 at 9:16 PM
Novellas by three of the genre's most revered authors.
Learn More:
www.infinivoxsf.com/3-hard-shots...
Available as:
ebook;
paperback;
signed numbered limited edition hardcover
Learn More:
www.infinivoxsf.com/3-hard-shots...
Available as:
ebook;
paperback;
signed numbered limited edition hardcover
December 3, 2025 at 5:44 PM
December 3, 2025 at 11:14 AM