TY - BOOK AU - Koll,Hilary TI - Build a skycraper T2 - Using maths SN - 1860079865 PY - 2006/// CY - Tunbridge Wells PB - Ticktock KW - Mathematics KW - Problems, exercises, etc KW - Juvenile literature KW - sears KW - Skyscrapers KW - Design and construction ER -