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 : "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 "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.