Boom! : (or 70,000 light years)

Haddon, Mark

Notes
Originally published as Gridzbi spudvetch! in 1992 Summary: When Jimbo and Charlie overhear two of their teachers talking in a secret language and the two friends set out to solve the mystery, they do not expect the dire consequences of their actions
additional notes
Mark Haddon Gridzbi spudvetch!
Location edition Bar Code due date
Senior Fiction First Yearling edition 120991