Strange things are happening at the Hubble Middle School: someone's setting off the fire alarm, breaking into the school at night, and secretly using the school's brand-new 3-D printer. But worst of all, S.M.A.R.T.S. member Caleb is being blamed!
Genre: Children's Fiction
Genre: Children's Fiction
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Used availability for Melinda Metz's S.M.A.R.T.S. and the 3-D Danger