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S.D. Unwin

S.D. Unwin’s Followers (13)

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Jessica
103,607 books | 1,961 friends

D.A. Da...
86 books | 13 friends

Heather
46 books | 3 friends


S.D. Unwin

Goodreads Author


Born
Manchester, The United Kingdom
Website

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Member Since
May 2021


S. D. Unwin began as a theoretical physicist searching for the Holy Grail of a quantum theory of gravity. He later turned his mathematical skills to analyzing and communicating catastrophic risk, from nuclear mishaps to major earthquakes. He has now settled happily on writing science fiction. His work includes The Magni and the time travel trilogy of One Second Per Second, Fall Of Time, and Time Wall. Hailing originally from Manchester in the United Kingdom, he now lives in the U.S. Pacific Northwest.

Average rating: 4.12 · 601 ratings · 56 reviews · 4 distinct worksSimilar authors
One Second Per Second (One ...

4.09 avg rating — 395 ratings8 editions
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Fall of Time (One Second Pe...

4.18 avg rating — 119 ratings — published 2022 — 5 editions
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The Magni

4.21 avg rating — 58 ratings3 editions
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Time Wall (One Second Per S...

4.17 avg rating — 29 ratings3 editions
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* Note: these are all the books on Goodreads for this author. To add more, click here.

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One Second Per Second Fall of Time
(2 books)
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4.11 avg rating — 513 ratings

Billy Joel: The D...
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Powers and Throne...
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by Dan Jones (Goodreads Author)
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S.D.’s Recent Updates

" I've noticed that some readers have books in my One Second Per Second time travel trilogy on their 'to read' lists, so I wanted to let you know there' ...more "
" I've noticed that some readers have books in my One Second Per Second time travel trilogy on their 'to read' lists, so I wanted to let you know there' ...more "
S.D. Unwin is now friends with Jessica
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Fall of Time by S.D. Unwin
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Time Wall by S.D. Unwin
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The Magni by S.D. Unwin
The Magni
by S.D. Unwin (Goodreads Author)
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One Second Per Second by S.D. Unwin
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Time Wall by S.D. Unwin
Time Wall by S.D. Unwin
"The One Second Per Second Time Travel series is fantastic sci-fi and “Time Wall” is the best so far. Unwin’s vivid rendering of multiple-dimension time travel across parallel timelines is fascinating. I love how many thoughtful new ideas and new char" Read more of this review »
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Quotes by S.D. Unwin  (?)
Quotes are added by the Goodreads community and are not verified by Goodreads. (Learn more)

“You’re a Tardis full of shit, Kasper.”
S.D. Unwin, One Second Per Second

Topics Mentioning This Author

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Challenge: 50 Books: Vicki's 2022 Books 10 8 Sep 13, 2022 09:20AM  
Adding Book 1 1 Apr 10, 2025 03:47PM  
“Some think that the universe was designed. If it was, I’m guessing that whoever did that job doesn’t include it on their resume. It’d be too much of an embarrassment, and so they’d have a 14 billion year gap that would need to be explained at their next job interview.”
S. D. Unwin

“If there is any kind of cosmic plan, it’s one in which time is chaos, and people, civilizations and realities its playthings.”
S. D. Unwin

“The worst kind of prison is one without boundaries.”
S. D. Unwin

“That the universe is indifferent and disinterested is a truth with which most of us are reconciled. But we had thought that at least the world made some sense–that what we see and experience is some rough approximation of the way the universe actually is. How could my heroes have had any way of knowing how untrue that is? Of knowing that nature’s most basic building block, its most fundamental ingredient–time itself–is in reality a bit of an imbecile and in dire need of adult supervision.”
S. D. Unwin

“One second per second is the perfect pace for time. It’s dead center of the Goldilocks zone–just right and not open to improvement. It was good enough to evolve life on Earth; just fine to produce great ideas like democracy, human rights and cheese, and even a universe of galaxies, stars and worlds came into being at that comfortable pace. It all happened at one second per second.”
S. D. Unwin

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