Critical Point

Tor. (Cas Russell, Bk. 3). Apr. 2020. 368p. ISBN 9781250180360. $27.99. SF
Cas Russell is a mathematical genius, and uses those skills as a mercenary. Unfortunately, after saving the world from a shadowy organization that planned to brainwash most of the population, she discovers that her skills were a result of their machinations—and her past identity was erased. Or so everyone thought. Now dealing with memories and flashes of the past, Cas finds that she has gained the unwanted attention of someone who likes blow things up. When that attention moves onto one of her closest friends, Cas races to discover answers that could result in killing everyone she cares about.
VERDICT High-stakes action and emotional velocity are hallmarks of Huang’s writing, creating an engaging and flawed protagonist that many will identify with, even when her internal conflict overwhelms some of the quieter plot threads. The third entry in the “Cas Russell” series (after Null Set) is a sf thriller that fans will truly enjoy.

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