How They Made Things Work: Romans

Richard Platt is one of the best-known children\'s non-fiction authors working in the UK today. Beginning his publishing career at Dorling Kindersley, he has written dozens of books for DK, Walker Books, Kingfisher and Franklin Watts. He authored the immensely successful Stephen Biesty\'s Cross-Sections series for DK in the 1990s, following this up with Castle Diary and Pirate Diary for Walker Books. He has won numerous awards for his work. Richard lives in Kent.

• 1: Concrete2: The Arch3: Books with pages4: Spectacle entertainment5: Water wheels6: Calendar7: Concrete8: Roads9: Water supply10: Mechanical artillery11: Sewers12: Central heating