Grin in the Dark (Spine Shivers: Spine Shivers) -- Paperback / softback

While babysitting his twin cousins one stormy night, Hamid Abdi sees an alert that a prisoner is on the loose nearby. Still, Hamid thinks the twins are imagining it and puts them back to bed. But when Hamid starts seeing and hearing terrifying things as well, will he be able to convince himself it's all just a nightmare?