Sentence:  The opening paragraph of the chapter titled The Theory Of Representative Perception , in the <WSD>book</WSD> Philosophies Of Science by Albert G. Ramsperger says , `` passed on to the brain , and there , by some unexplained process , it causes the mind to have a perception '' . 
Meaning of the word marked with <WSD> tags:  a written work or composition that has been published (printed on pages bound together)