Jin He,

David Halliday's advice is excellent.

You might also be able to benefit from Renaisauce's recent post, which was inspired by this discussion.

The "Galileo Complex," as Renaisauce calls it, is definitely a curable condition.

Fred Bortz -- Science and technology books for young readers (www.fredbortz.com) and Science book reviews (www.scienceshelf.com)