TWO COMPLETE BOOKS!Book One, Cross My Heart: Lucy Larson is looking forward to summer--what could be better than spending twelve weeks on a California beach with her cousin? When her cousin cancels, Lucy's about to pack up and go home. But then she stumbles upon an old letter that mentions a hidden dairy, cryptic clues, and best friends; Lucy dives headfirst into the mystery, instead, and sets out to find the diary. And just who is that cute boy,...