During a field trip, a school bus takes students on a detour due to road construction. Then another. And another The bus seems to be driving in circles, as if the streets have become a giant maze. Will the students ever reach their final destination? The addictively creepy SCHOOL BUS OF HORRORS - from Michael Dahl, the bestselling author of LIBRARY OF DOOM - will keep young readers on the edge of their bus seats until the final stop. Download the Capstone 4D app to access a variety of bonus content.