The Lost Scrolls of The Methods of the Sima offers a disciplined interpretive examination of what is absent from one of early China's most institutional approaches to warfare. While the surviving remnants of the Sima Fa outline a doctrine grounded in command authority, order, and moral governance, historical references and structural cues suggest that significant portions of the original work were lost over time.

This volume does not claim to restore or reproduce missing manuscripts. Instead, it presents a reasoned exploration of what the lost sections were likely concerned with, drawing on surviving passages, parallel strategic traditions, historical records, and the internal logic of the Sima system itself. Topics examined include military administration, mobilization, training, command responsibility, and the relationship between civil authority and martial order.

Written for readers of classical military philosophy, The Lost Scrolls of The Methods of the Sima approaches absence with restraint and rigor, treating lost material not as speculation but as a problem of structure, coherence, and historical inference. The result is a thoughtful companion to the surviving text, offering insight into how the Sima tradition may once have functioned as a complete and systematic doctrine of war.