"A Little Black Book Created Especially For Plumbers".At last The return of the iconic "Little Black Book". 150 Dated Pages of Lined Notebook. Every Plumber needs 'A Little Black Book'. A place to write 'secret things' and to write 'stuff' that you think about and want to remember. 'A Little Black Book' is that prized and treasured notebook that you keep close to your heart. A 'Little Black Book' that takes you on journeys of memories - and prepares...