Newspapers, magazine subscriptions, and books are only deductible if related to your qualifying job, or business.
Job-related expenses are entered on the Employee Business Expenses screen: Menu Path: Deductions/Credits > Other Deductions/Credits > Employee Business Expenses. Note that the employee expenses deduction applies only to certain types of employees.
Business expenses are entered in the Business Income (Schedule C) section: Menu Path: Income > Business / Rental Income > Business Income (Schedule C).