The High-Voltage Ghost is a book in the Capstone series as a part of the Scooby-Doo! Solves It with S.T.E.M. line.
Summary[]
When the Mystery Machine pulls into the ski resort, the power is out. Something sinister is to blame and the gang is going to find out what it is! Scooby-Doo and friends put the science of energy to work and uncover an electrifying ghost mystery!