NCO's should have a leaders book. It's a book that has all the pertinent info about the soldiers they are in charge of and take care of. If you don't have one, you are failing your subordinates. But don't worry, now is a good time to start.
Email: firstname.lastname@example.org Website: sgtstime.weebly.com
Resources and sites:
Leader Book- http://www.hood.army.mil/leaders/csm/leadersbook.pdf
Book suggestion: Quiet