Stir together whole wheat flour, all-purpose flour, baking powder, baking soda, and 1/4 teaspoon salt.
Cream together brown sugar and shortening till light.
Beat in honey and vanilla till fluffy.
Add flour mixture alternately with milk to creamed mixture, beating well after each addition.
Chill dough several hours or overnight.
Divide chilled mixture into quarters.
On well-floured surface roll each quarter to 15x5-inch rectangle.
Cut rectangle crosswise into 6 small rectangles measuring 5x2 1/2 inches.
Place on un-greased baking sheet.
Mark a line crosswise across center of each small rectangle with tines of fork; score a pattern of holes on squares with fork tines.
Combine granulated sugar and cinnamon; sprinkle over crackers.
Bake at 350° for 13 to 15 minutes.
Remove from sheet at once.