Join Denim the Bubble Ranger and Ravenna the Time Bender on their first bubblicious tale as The Keepers of the Emerald Cave Denim River only wants to know one thing...if he has to have a superpower, why couldn't he have a cool power? Why does it have to be blowing bubbles? Sure, he'll be able to make bubbles any shape, size, scent or color right out of thin air, but his little sister will be able to phase from place to place and bend time when her powers come in, and he's stuck with bubbles? The parents even sent him to Seattle to hone his freak show skills with his crazy grandpa,...