The Young Inventors Guild (1 books in series)

The Atomic Weight of Secrets or The Arrival of the Mysterious Men in Black (2011)
language
English
3.6 of 5 Votes: 4
review 1: I've always been fascinated with science and inventions. I've always said, when I see a new nifty product, why didn't I think of that? I'm still waiting though for someone to invent the backspace button on landline telephones.....it sure would make my flying fingers happy! Five c...