Aliens

Tessa and her brother Tony decide to masquerade as aliens for a neighborhood game, only to find that their homemade masks give old Mrs. Nash a genuine fright. When the twins end up feeling jittery themselves, they set out to discover what really spooked them, learning that their own imagination can be as startling as any outer-space creature. The story blends lighthearted humor with a small mystery as the siblings deal with the unexpected fallout of their playful disguise.