In his second adventure, eleven-year-old Gregor returns to the world beneath New York City to rescue his kidnapped sister, Boots, and fulfill a prophecy that will restore peace to the people, bats, rats, cockroaches, and spiders who populate the underworld.

When twelve-year-old Gregor finally learns the ancient prophecy, which foretells his death, he must gather his courage to defend Regalia from the army of rats, take his mother and sister home safely, and fight his own dark side.

Against all odds, Katniss has won the Hunger Games. She and fellow District 12 tribute Peeta Mellark are miraculously still alive. Katniss should be relieved, happy even. After all, she has returned to her family and her longtime friend, Gale. Yet nothing seems right. Gale holds her at an icy distance. Peeta has turned his back on her completely. And there are whispers of a rebellion against the Capitol - that Katniss and Peeta may have helped create....