Camp Kids and Serpy's wild adventure

"The girls are at a tennis lesson and Cole and Jake are just planning to spend the day checking out the Chain Lakes with their sprite friend Harvey. But with Cole's cousins visiting, the short trip turns into a huge underwater adventure. The boys travel to more lakes and learn even more about what it means to be a water sprite. Join the Camp Kids on their newest adventure. But watch out, there's a sea monster lurking in the waters!" -- p. [4] of cover.