The Big Camp Secret (Sweet Valley Twins Super Editions)
Girls, boys, and ghosts . . .Identical twins Jessica and  Elizabeth Wakefield can't believe they're finally at sleep-away camp.   Even though there are no boys, and Elizabeth's friend Grace had to  cancel her plans to go at the last minute, it mall be two whole weeks  of fun, fun, fun!The twins waste no time diving into their  favorite activities.  Jessica begins to arrange a rendezvous with the  boys' camp across the lake.  Elizabeth spends much of her time  horseback riding and making new friends.  But the real excitement  starts when Grace turns up in the most unexpected place.Should  the twins take a chance and hide Grace?  If they do and they're caught,  camp may just turn out to be the worst two weeks of their lives!