Cas Russell / Russell's Attic books in order

The Cas Russell / Russell's Attic series by S.L. Huang follows a mathematician-mercenary who uses math as a superpower, spanning nine books from 2014 to 2020.

Reading order

# Title Published Author Buy on Amazon
1 Zero Sum Game 2014 S.L. Huang Buy
2 Half Life 2014 S.L. Huang N/A
3 A Neurological Study on the Effects of Canine Appeal on Psychopathy, or, Rio Adopts a Puppy 2015 S.L. Huang Buy
4 An Examination of Collegial Dynamics as Expressed Through Marksmanship, or, Ladies’ Day Out 2015 S.L. Huang Buy
5 Root of Unity 2015 S.L. Huang N/A
6 Plastic Smile 2016 S.L. Huang N/A
7 Golden Mean 2017 S.L. Huang N/A
8 Null Set / Plastic Smile 2019 S.L. Huang Buy
9 Critical Point 2020 S.L. Huang Buy

The Cas Russell series (also known as Russell’s Attic in its original self-published editions) is S.L. Huang’s signature work. The premise is striking: Cas Russell can do complex mathematics instantaneously, allowing her to calculate bullet trajectories, structural weaknesses, and physics in real-time. This makes her an extremely effective mercenary.

The series includes full-length novels (Zero Sum Game, Null Set/Plastic Smile, Critical Point) plus shorter stories and novellas. The books were originally self-published before Tor picked them up, and the traditional publishing editions sometimes carry different titles from the self-published versions.

Frequently Asked Questions

How many books are in the Cas Russell / Russell's Attic series?

There are nine books in the Cas Russell / Russell’s Attic series, published between 2014 and 2020.

What is the first book in the Cas Russell / Russell's Attic series?

The first book in the Cas Russell / Russell’s Attic series is Zero Sum Game, published in 2014.

What is the Cas Russell series about?

Cas Russell is a mercenary with the ability to do near-instantaneous mathematical calculations, which she uses like a superpower in combat and problem-solving. The series starts with Zero Sum Game (2014) and runs through Critical Point (2020), with full-length novels and shorter interstitial stories.

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