Yes, if you purchased books for his courses, you can deduct that.
- Enrollment fees.
- Expenses paid directly to the school as a condition of enrollment such as lab fees.
- In some cases, books and course-related materials such as supplies and equipment.
- Any of the above expenses for the next semester as long as that semester begins within the first 3 months of 2017.
- Education expenses you paid using cash, checks, credit cards, loans, gifts, inheritances, savings account withdrawals, etc.
The easiest way to get to the section to include his books would be following the steps below:
- Log into your account and click Take me to my return
- Click Tax Tools to the left and choose Tools
- Select blue button that says Topic Search there and type in college tuition expenses and click Go
- This takes you right to the screen that asks Do you want to enter your higher education expenses? and you answer Yes here and this will be where you enter expenses you paid for books
Contributions to a qualified college savings plan are not deductible on your federal return, but may be deductible on your state return. If your state allows a deduction, you will see the entry point as you work through the state return.
You can find more details here Information on 529 Plans