When a ball of light appears with the power to bring the dead back to life, twins Fiona and Fenton are determined to catch it and perform some experiments. Interest Level: 5-8 Reading Level: 5.4 ATOS Book Level: 5.9 AR Interest Level: MG AR Points: 9 AR Quiz: 177436EN Reading Counts Level: 8.3 Reading Counts Points: 14 Lexile Measure: 980.