There has been data ("Agile Product Management: Product Backlog 21 Tips & Scrum a Cleverly Concise and Agile Introduction (scrum, scrum master, agile development, agile software development)") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Tue Jul 30 15:03:08 2019, so the data displayed here has been removed .