A Beka Book Keyboarding And Document Processing 10th-12th Grade Solution Key Total Retail Cost $43.90 +Taxes Good Preowned Condition Most of my Books have been used by or with my own children, so they will show signs of wear. However; overall, they are still in Good Preowned Condition and available to you for just a fraction of the original cost. Please take a look at my other listings….. I have LOTS of Books and Homeschool Curriculum available for all of your Educational needs!