Taking on her biggest challenge yet--preventing climate change from destroying the earth--Max Einstein is pitted against a new evil group that would rather let the whole world crumble than allow her to save the planet.

Max is back with a thrilling new adventure that involves time travel, creepy bad guys, killer drones, and a shocking mystery about her past that she will stop at nothing to solve! Under constant danger of being kidnapped by the shadowy Corporation, Max is on the run from New York to London and beyond. But soon the call comes for the Change Maker kids' next mission: make sure no kid ever goes hungry again! If anyone can tackle a problem this big, Max...