Beware the night duology

When her world divides, pitting light against dark, Veda must join a dangerous revolution to save her grandfather and fight against injustice...even if it costs her the boy she loves. On the island of Bellona, life is peaceful--as long as the citizens dutifully worship the Sun, which protects them from all harm. Seventeen-year-old Veda knows that keeping the Sun happy will protect her and her grandfather from the Night, the dangerous people who snatch...