The grand finale to the New York Times bestselling series, Attack of the BULLIES stars Ruby Peet, aka Agent Pufferfish, the team captain with super nanobyte-enhanced allergies. Pufferfish leads the team in their latest case: solving the kidnapping of the president's daughter. But the NERDS discover she hasn't been kidnapped--she's been recruited. Their former librarian, Ms. Holiday, has started a rival organization called BU LLIES, who each have their own nanobyte-enhanced upgrades. The BU LLIES' plan: go back in time to make sure NERDS never existed! When Ruby's teammates begin to vanish one by one, she enlists Agent Brand and Heathcliff Hodges to go back to the 1970s and help the original nerdy secret agents make sure that the future is not erased from existence! Attack of the BULLIES promises action, humor, and a dramatic conclusion to the series.