Mr. Feuerhelm and Ms. Tanner hope that you will visit this website and the Strickland Library often. rfeuerhelm@dentonisd.org (940) 369-4236. Strickland library hours are 7:45 A.M. to 3:50 P.M., Monday through Friday. Students may check out up to four items at one time. Most items may be checked out for two weeks. Reference books and the newest magazines may be checked out for overnight use. Students must keep their library account in good standing in order to check out materials.