There has been data ("Agile Product Management: Agile Estimating and Planning Your Sprint with Scrum & Agile Retrospectives 29 Tips for Continuous Improvement (agile ... agile scrum, agile estimating and planning)") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Fri Aug 2 12:13:37 2019, so the data displayed here has been removed .