<b>Emma needs a break from big-sister duty in this addition to <b >Spotlight's </b>treat of a tween series.</b><P>Emma is not thrilled with always having to rearrange her schedule so she can babysit her younger brother, Jake. Now Emma's parents have broken some news that really threatens to push Emma over the edge—since Emma and Jake are going to the same day camp this summer, she's expected to sit with Jake on the bus. Not only does this mean Emma can't hang out with her friends, but she also has to comfort Jake—who has a serious issue with motion sickness.<P>     Can Emma find a way to sweeten up her summer plans?