Max Einstein saves the future

"Max and her friends are back and ready to take on their biggest problem yet: world hunger. While the Change Makers tackle this huge issue, Max must also avoid the evil Corp and her nemesis, Dr. Zimm. But they're not the only ones looking for Max, and as she finds herself on the run, she discovers that Einstein created a time machine. And it might give her clues to her past - her distant past..."--Provided by publisher.