Army Leader's Book (LB) is designed to keep track of your Soldiers' important, but non-sensitive information in order to better lead them and maintain their readiness. LB can track your Soldiers' APFT, Weapons, Body Composition, Training and MedPros dates and data. You can track absences and LB automatically calculates your daily PERSTAT. Other sections include: - PERSTAT to track leave, TDY, and other absences - Appointments - APFT Stats - Profiles - Body Composition - Weapon Stats -