CLUTZ and the Fizzion Formula Author:Marilyn Z. Wilkes, Larry Ross (Illustrator) In this sequel to Wilkes's C.L.U.T.Z., Rodney Pentaz, his dog Aurora, and his Combined Level Unit/Type Z robot are accused of being spies bent upon stealing the secret Fizzion formula from Dr. Rench's GalactiCola soda plant!