Four mismatched girls spend an unforgettable summer together in this funny, heartfelt YA novel for fans of The Sisterhood of the Traveling Pants—now in paperback   Four girls are forced to spend the summer together when their moms reunite at their childhood lake house. Always-sunny Skyler is a softball star who’s hiding how bad her joint pain has gotten. Always-stormy Scarlett, Skyler’s twin, would much rather be hanging out with her boyfriend back home. Amelia Grace just wan