The Possum Always Rings Twice (Chet Gecko #11) by Bruce Hale
Get ready for muckraking time at Emerson Hicky Elementary. The race is on for student council president, but it's quickly getting fishier than the bottom of a pelican's lunch box. Someone is sending candidates ominous threats and posting signs with messages like FIR IS FIRST! and DOWN WITH FEATHERS. Could someone be trying to rig the election? Good thing Chet and Natalie are around to expose the filthy frauds!