books.google.com - Most biologists use nonlinear regression more than any other statistical technique, but there are very few places to learn about curve-fitting. This book, by the author of the very successful Intuitive Biostatistics, addresses this relatively focused need of an extraordinarily broad range of scientists....http://books.google.com/books/about/Fitting_Models_to_Biological_Data_Using.html?id=tIsjh56pI0IC&utm_source=gb-gplus-shareFitting Models to Biological Data Using Linear and Nonlinear Regression