The Flash is forced to solve crimes all over the city while trying to deactivate an explosive device for the bomb squad and begins to suspect that the crimes are linked. DC Super Heroes: Flash Chapter Books. Interest Level: 3-6 Reading Level: 5.2 ATOS Book Level: 4.4 AR Interest Level: MG AR Points: 1 AR Quiz: 140871EN Lexile Measure: 670 Guided Reading Level: L.