Errata

Small typographical errors and minor clarifications are collected here

Chapter 4

• Exercise 4: \(s = -GM / (b\Phi)\).
• Eq. (4.89) should read

\[ 2Es^2 - 2\left(2E - \frac{GM}{b}\right)s - \left(\frac{4GM}{b} + \frac{L^2}{b^2}\right) = 0. \]