Mindware Perplexors are a series of secular workbooks that teach logical thinking. They have a series called Perplexors, Grid Perplexors, and Venn Perplexors. Read more about them on ChristianBook.com.
Mindware Perplexors
Mindware Perplexors are a series of secular workbooks that teach logical thinking. They have a series called Perplexors, Grid Perplexors, and Venn Perplexors. Read more about them on ChristianBook.com.
