Simon bloom the gravity keeper

simon bloom the gravity keeper by Michael Reisman “Sixth-grader Simon Bloom can't believe his luck when he finds a book that enables him to control the laws of physics. By simply reciting the formulas it contains, he can cancel gravity to fly around his bedroom, or decrease friction so he can slide down the street as if he were on Rollerblades.Jan 1, 2008” Paperback copy.