There has been data ("Best Fit Lines & Curves: And Some Mathe-Magical Transformations (Working Guides to Estimating & Forecasting) - ISBN-13 978-1-351-66142-3") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Tue Jan 28 22:00:22 2020, so the data displayed here has been removed .