Fans of Marie Lu will love this action-packed young adult science fantasy duology where redemption carries a price, myths crumble to reveal truth, and forgiveness becomes the ultimate catalyst for change. Buying separately: $9.98. Bundle price: $7.99 — save $1.99. Signed copies bundle for $15.99 (vs. $19.98 separately — save $3.99). Prefer paperback? Get the print bundle here.