Beach blues : the complicated life of Claudia Cristina Cortez

The Cortez family is going on vacation! They're headed to Florida for a family reunion. But when they arrive, Claudia doesn't get to relax - she's stuck babysitting her younger cousins. She has to miss out on all the fun, and can't hang out with her new friends. What kind of vacation is that? "Claudia's family is on vacation. So why is she stuck babysitting her three younger cousins?"--Unedited summary from book