well i saw your contribution list has your university closed down or have you left your girl friend or what do you sleep at night just for a change no seriously how much was your science civilisation compendium and where did you buy it and how many volumes ps do me a favour and do not make aunt wiki a branch office of needham's his book is already a bit dated partly years and to be honest i have my issues with his unremeediable scientism diffusionism and partial views why don't you take more recent reserach from the new and less prone to scientism generation of sinologists regards