4.13 avg rating — 4,386,450 ratings

"Best new dystopian novel I read this year. Loved the story line and can't wait for the next installment."

3.93 avg rating — 29,941 ratings

"Fabulous. I was blown away by how much and how deeply Courtney made me feel for her characters."

3.98 avg rating — 56,013 ratings

"Amy not only wove a wonderful story with a fresh look into a sometimes overloaded genre, but she made me want to visit Paris. No one else has ever made me want to go visit.
"

3.99 avg rating — 18,626 ratings

"I fell in love with this book after I stumbled upon it. Once I picked it up, I couldn't put it down. Riley is such a determined and brave female protagonist."

3.79 avg rating — 18,919 ratings

"What a stunning debut. Time travel without being confusing. Everything about the book just flowed beautifully. It's sci-fi with just a touch of mystery and the romance is the right amount of sweetness."