TY - BOOK AU - Maule,David TI - Inventions that changed the world T2 - Penguin readers. Level 4 SN - 1405882239 AV - PE1128 M355 2008 U1 - 428.6 PY - 2008///, c2005 CY - Harlow, Essex, England PB - Pearson Education KW - Inventions KW - History N1 - Printing -- Mathematics -- Navigation -- Guns -- Engines -- Flight -- Communication -- Computers -- Ideas N2 - Inventors are special people. They see everyday objects and imagine something better. They solve problems with new ideas. Their inventions can help people or destroy them, but only the greatest ideas will change the world. This book tells about many of the most interesting and important inventions, from 2,500 years ago to the present day -- p. 4 of cover ER -