Objects in image: Book
Text visible in image: May, we, suggest, some, light, reading, for, the, summe, METRY, holidays?, ExactSolutions, Brush, up, on, your, Einstein, FieldEquations, Theoretic, heoretical, Physics, with, these, assorted, titles, from, our, shelf, 530.1, It's, not, rocket, science!
Question: what concept this book?
Answers: theoretical physics, einstein's field equations, theoretical physics, theoretical physics, theoretical physics, theoretical physics, theoretical physics , light reading, exact solutions of einstein's field equations, theoretical physics