Simplify the following text for a Grade 6 native English-speaking person.
Original: Samuel berates him for not carrying out the mass extermination completely , so Saul repents and begs Samuel to go with him . Samuel refuses and leaves , but Saul grabs at him , tearing part of Samuel 's mantle , for which Samuel says that part of Saul 's kingdom will be torn off and given to another .
Simplified: The first book of Samuel tells the history of Israel from the birth of Samuel until Saul ` s death .