New Defender's Study Bible Notes
10:25 manner of the kingdom. This phrase probably refers to Samuel’s earlier warning of what a king would come to be like after he had consolidated his power (I Samuel 8:11-18).
10:25 wrote it in a book. Samuel laid up “before the LORD” his written account, implying that his writings, like those of Moses, were to be kept in the tabernacle, probably in the Ark of the Covenant.