Tamora "T-Wrex" Carter vs. dumpster-diving goblins, angry pixies, evil elves, and more! One night after roller derby practice, twelve-year-old Tamora Carter discovers a pair of goblins digging through the dumpster behind the rink. The scruffy pair passed through a magical portal into our world, and they're not alone. Do these creatures know the truth about the disappearance of Tamora's best friend Andre? She won't stop until she finds out. But there are things far more dangerous than goblins ...