Natalie's team isn't ready for the big race on Field Day, so Ms. Starr teaches them about exercise and stretching to help them prepare.

Features stretching exercises that help maintain flexibility, including stretches for every part of the body as well as routines for chair stretching, partner stretching, relaxation, and pre- and post-exercise.

"A concise introduction to Feynman diagram techniques, this book shows how they can be applied to the analysis of complex many-particle systems, and offers a review of the essential elements of quantum mechanics, solid state physics and statistical mechanics. Alongside a detailed account of the method of second quantization, the book covers topics such as Green's and correlation functions, diagrammatic techniques, superconductivity and contains several...