AN EXPERIMENT SO BOLD, ANYONE MIGHT THINK IT’S A LITTLE CRAZY…Catherine Locke has a plan to win it all: improve her health, improve her life, win first prize at the science fair—And best of all, defeat her fiercest rival.The guy who broke her heart.But as every scientist knows, even the best experiments can turn out wildly unpredictable…“Fat Cat was AWESOME. I couldn’t stop reading it!” Meg Cabot, New York Times bestselling author of The Princess Diaries and more*Named Best Fiction for Young Adults by the American Library Association/YALSA.