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When searching for a planar line, if given no further information, one should adopt a logarithmic spiral strategy (although unproven).This brief paper is concerned entirely with geometry in the plane and continues a thought in [1]. If a line intersects a circle in one or two points, we say that the line strikes the circle. If a line intersects a circle in exactly one point (that is, if the line is tangent to the circle), we say that the line touches the circle.Let f be a nonnegative, continuously differentiable function on R satisfying

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This book is from the "Statistics in the Social and Behavioral Sciences" series of Chapman and Hall/CRC, which has quite a broad scope. The book's preface states its goals as follows: "The goal of this book is to provide [...] a comprehensive resource for the conduct of multilevel modeling using the R software package." "Our goal is to provide you with a guidebook that will serve as the launching point for your own investigations into multilevel modeling". The content suggests that the book is written for R novices with weak statistical background -nothing is taken for granted except for means, variances, correlations, and perhaps the normal distribution. For this audience, the "own investigations into multilevel modeling" are a real stretch. It will be discussed at the end of this review, which audiences might benefit from the book for which purposes.

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