Proof of Forever, by Lexa HillyerRead about the other books on the list.
Four friends grow apart after spending months’ worth of summer camp together, but they’re about to get the chance to reconnect…whether they like it or not. All four girls are sent back in time, and they have to relive their lives to find a way back to the present. Don’t be fooled by the lighthearted setting, this novel has depth.
--Marshal Zeringue