kaobook
A LaTeX class for books, reports or theses
...Mini table of contents in the margin at the start of each chapter. Easily customisable chapter headings. Flexible citations with references both in the margin and in the bibliography at the end. Powered by KOMA-Script. Many commands have been redefined to ease the life of the user. A better description can be found at LaTeX Templates. If you think that a PDF is worth a thousand words, have a look at this.