An all-new book in acclaimed author Laurie Halse Andersons series for younger readers! Zoe is back in Ambler after living with her mom in Los Angeles, and she doesnt know what to feel about it. Its fun to be back with the Vet Volunteers, but Zoe misses her mom, who is filming a movie in Canada. Meanwhile, there seems to be a rash of animals being poisoned by antifreeze across the town, and Zoe fears that Davids new adopted cat, Rover, might be one of them. So the gang works to raise awareness about antifreeze poisoning, and Zoes mom has a special surprise in store for everyone.,