# m4b-tool > Merge, split, and manipulate audiobook files with chapters. > More information: . - Create an audiobook with the audio files in the input directory: `m4b-tool merge {{path/to/input_directory}} --output-file={{path/to/merged.m4b}}` - Make chapters using the input files' names: `m4b-tool merge {{path/to/input_directory}} --output-file={{path/to/merged.m4b}} --use-filenames-as-chapters`