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This product uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.
Ellery’s neighbor, toy manufacturer Amos Roeburt (Nagel) solicits his help when a quantity of children’s chemistry sets is found to contain a dangerous explosive compound. Ellery works with a young chemist Laura Benson (Donnell) and they recover all but one of the sets.
