"Fresh and exciting. a great start to an exciting series--and an exciting career." -- Boing Boing "A smart, calculated action thriller that keeps the reader guessing."-- Den of Geek "Trust us, trigonometry has never sounded so cool."-- Paste Magazine "Fun and original." -- San Francisco Chronicle "The best novel I've read this year; a heroine I fell in love with."--Eric Van Lustbader, #1 New York Times bestselling author "Cas Russell is who I want to be when I grow up. She kicks ass with her fists and her brain--a true twenty-first century action hero.

I loved this book."--Richard Kadrey "This book lines up like a perfect, elegant equation -- it's fast, furious, and adds up to one of the coolest, most crackin' reads this year. "--Chuck Wendig, New York Times bestselling author of Invasive and Star Wars: Aftermath "The smartest and thrillingest book you'll read all year."--Ken Liu, author of The Grace of Kings and The Paper Menagerie and Other Stories "Paced at a flat out sprint, Zero Sum Game deploys an astonishing array of weapons together with the prickly charms of its math genius protagonist on her turbulent journey toward trust and connection."--Kate Elliott "Intense, vivid, and insanely clever, with a great heroine--I couldn't put it down. If only more authors with math degrees used them like this!"--Yoon Ha Lee, New York Times bestselling author "A fast-paced, darkly humorous read with a lot of heart for fans of action and urban fantasy, as well as lovers of Wolverine and other morally ambiguous, gritty superheroes with a mysterious past."-- Booklist, Starred Review "This hard-to-put-down, action-packed sf debut is intelligent and entertaining. With Cas, Huang has created an indelible, flawed character who makes mathematics seem almost magical.

"-- Library Journal, Starred Review "A paranormal thriller in which both the action and the questions don't stop.Cas is an awesome antiheroine.exciting, nasty fun.an excellent harbinger for books to come."-- Kirkus.