Mark Haddon · 1993 · Novel
When Jim 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.
Source: OpenLibrary
Tags: Adventure and adventurers, fictionAliens (Fictional characters)Children's fictionExtraterrestrial beingsFictionInterplanetary voyagesJuvenile fictionScience fictionneeds-reviewno-clear-speculative-idea
isfdb_id: 1130748
openlibrary_id: OL2965124W
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