pemGoosebumpsem meets emStranger Things emin the spine-tingling sixth installment of the strongemFrightVisionemstrong series emThe Attack of the Yellow Smart Sack.emppLewis Izinger will do anything to get his hands on a Yellow Smart Sack. With its sleek design and futuristic features, it's the ultimate backpack status symbol at Cantaloupe Valley Middle School.ppBut when Lewis finally gets his dream backpack, he realizes it's not just a bag - it's a living, breathing entity with a mind of its own. The Yellow Smart Sack demands constant attention, and Lewis soon learns it has a sinister hunger that can't be satiated.ppCan Lewis break free from the Yellow Smart Sack's grip before it consumes him completely Or will he be forever enslaved by the backpack's dark powerppWelcome to emFrightVisionem strongYour nightmare is ready. Let's begin!strongppstrongDon't miss a page emFrightVisionem continues with emWishful Thinking, Framed for Life, GraveyardChallenge, The Attack of the Yellow Smart Sac