Ruth Kassinger

Build a Better Mousetrap. Make Classic Inventions, Discover Your Problem-Solving Genius, and Take the Inventor's Challenge

Скачать Build a Better Mousetrap. Make Classic Inventions, Discover Your Problem-Solving Genius, and Take the Inventor's Challenge - Ruth Kassinger

Название: Build a Better Mousetrap. Make Classic Inventions, Discover Your Problem-Solving Genius, and Take the Inventor's Challenge

Автор: Ruth Kassinger

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