dbot/modules/goodreads/usage.json

{
    "~book": "~book [bookname] - returns the title, author, rating, and GoodReads link",
    "~booksummary": "~booksummary [bookname] - returns the summary for the requested book",
    "~author": "~author [authorname] - returns the GoodReads link for the requested author",
    "~reading": "~reading - displays up to 5 of the books you are currently reading"
}