Matty and his family make slime all the time. They know that it's simple, stretchy, scientific, and super-squishy. But Matty's slime demonstration at school turns into a disaster when he forgets the most important ingredient - saline Instead of squishy slime, he's up to his elbows in an icky sticky swamp, and it's spreading fast. Can his classmates' creative ideas save him, or will someone find some saline at school soon? So Much Slime is...