It was 1798 when the Morningstarr twins arrived in New York with a vision for a magnificent city: towering skyscrapers, dazzling machines, and winding train lin

National Book Award finalist Laura Ruby returns with the middle chapter in her epic alternate-history adventure—a journey that will test Tess, Theo, and Jaime

"Two epic people, love, hackers, and explosions lead to an amazing read." -- Not So Public Library Alone and on the run, Cipher doesn't talk about her secrets,

The thrilling conclusion to two-time National Book Award finalist Laura Ruby’s epic adventure through the streets of an alternate New York City. It was only a

Explains various methods used in cryptography and presents examples to help readers in breaking secret codes