somebody wrote the book on something
From Longman Dictionary of Contemporary Englishsomebody wrote the book on somethingsomebody wrote the book on somethingspokenKNOW something used to say that someone knows a lot about a subject or is very good at an activity Motorola wrote the book on quality control. → writeExamples from the Corpussomebody wrote the book on something• Cheryl wrote the book on being irresponsible.• It wrote the book on quality control.• Hartley wrote the book on self-serving.