Michael Dahl 
Destruction Zone [PDF ebook] 

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.