Does it sound OK to leave the noun "book" out in the following sentence?
Of the fourth edition, composed of two books, there remains only the second; and of fifth edition, composed of five books, we only have part of the first.

Question

Does it sound OK to leave the noun "book" out in the following sentence? 
Of the fourth edition, composed of two books, there remains only the second; and of fifth edition, composed of five books, we only have part of the first.

Answer

The sentence is fine as it is.

Answer

Yes you can leave the word book out. "and of THE fifth ..."