[comp.lang.postscript] PostScript language references

jyoo@elbereth.rutgers.edu (J-S Yoo) (02/25/91)

Hi,
	Could you recommend me PS language references?
	Could you recommend me a better way of learning the language?
	Is is advisable to obtain 3 official red, green, and blue books?

	Please e-mail to me if possible.

Thanks.