CSP Update: U6-8 Teacher Supports, "Computer Scientists @ Work" boxes
Adding additional teacher supports to Units 6-8 Teacher Guide overview pages, adding and revising "Computer Scientists @ Work" boxes (see 1.5.1, 2.1.3, 2.4.1, 3.1.6, 3.5.1, 4.1.2, and 4.2.4), revising Unit 7 solutions, updating video links, other minor revisions and improvements.