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by krutulis 4893 days ago
This looks like a wonderful resuorce! I checked the database for The Number Devil [1], one of my favorite math books for middle school age (and anyone who is delighted by imaginative presentations of math!). Sure enough, it's there, highly rated, and the comments from teachers and students are a delight.

[1]: http://kasmana.people.cofc.edu/MATHFICT/mfview.php?callnumbe...