e/Mathematics of bookmaking

Information
has gloss	eng: In betting parlance, making a book is the practice of laying bets on the various possible outcomes of a single event. The term originates from the practice of recording such wagers in a hard-bound ledger (the book) and gives the English language the term bookmaker for the person laying the bets and thus making the book.
lexicalization	eng: Mathematics of bookmaking
instance of	c/Games (probability)