Zapped/Backwards

On his thirteenth birthday, Tommy gets two epic gifts: a brand-new gaming computer and the hottest game around, Screaming Titans. But when his little sister, Tricia, storms into his room at the worst possible moment, something impossible happens: Tommy and Tricia are zapped into a world of knights in black armor, deadly traps, and a shadowy ruler known only as the evil one.
A mysterious old man insists Tommy is the Chosen One, gifting him two strange bags—one brown and one yellow. The yellow bag must reach the Good King. The brown bag can help them survive, but it won’t solve everything.
As the dangers grow darker, and a powerful boy named Alexander keeps turning up at exactly the wrong time, Tommy starts to wonder who he can trust. And just when the journey seems like it’s about to end, Tommy learns the most terrifying truth of all . . .
Some battles don’t stay in the game.