Cas Russell

Praise for Null Set

"Tight action, compelling characters, and mathematics magic....Fans of Jessica Jones will enjoy meeting Cas."--Library Journal

"This exciting SF thriller sequel to Zero Sum Game keeps up the pace and piles on the tricky twists."--Publishers Weekly

"Action and superhero fans will enjoy this story of a powerful individual struggling with questions of identity and morality."--Booklist

Praise for Zero Sum Game:

"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

"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

"Fast, furious, and adds up to one of the coolest, most crackin' reads this year."--Chuck Wendig

"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

"Paced at a flat out sprint."--Kate Elliott

"The smartest and thrillingest book you'll read all year."--Ken Liu

"Intense, vivid, and insanely clever, with a great heroine--I couldn't put it down."--Yoon Ha Lee, New York Times bestselling author

"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