R.L. Stine 
Deadly Experiments of Dr. Eeek [EPUB ebook] 

Enter the labs of a mad scientist and choose your fate in this scary GOOSEBUMPS adventure that’s packed with more than twenty super-spooky endings.Top secret and dangerous. That’s what your mom, a famous scientist calls, the research she’s been doing at the labs of Dr. Eeek. You’re dying to know what it’s all about.Then one day you get lost in the labs. Before you know it, you’ve become a human guinea pig in Dr. Eeek’s deadly experiments!If you choose one lab, you meet a dog wearing sneakers. He’s half dog, half kid. And now he’s after you!If you choose another lab, you get lost in a maze-a maze that just happens to be the home of an enormous rat! The choice is yours . . . Reader beware-you choose the scare! GIVE YOURSELF GOOSEBUMPS!