00683cam a2200205 4500 140781516 TxAuBib 20130716120000.0 130418|||||||||||||||||||||||||||||und|u 2013006395 9781426212871 hardcover 1426212879 hardcover 9781426211720 pbk. 1426211724 pbk. TxAuBib Allain, Rhett. National Geographic Angry birds furious forces : the physics at play in the world's most popular game / Rhett Allain ; foreword by Peter Vesterbacka. Angry birds furious forces. 20130716.