Write SQL query to solve given problem: List the type of the book for the order which was sold on 1993/5/29.. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT DISTINCT T1.type FROM titles AS T1 INNER JOIN sales AS T2 ON T1.title_id = T2.title_id WHERE STRFTIME('%Y-%m-%d', T2.ord_date) = '1993-05-29'