Sentence:  Next week 500 books not shipped elsewhere directly from the printer will arrive at our house. . . . At that point my Brooklyn brownstone will turn into <WSD>Santa's workshop</WSD> as I package courtesy copies for all the sources who helped and people whose photos appear in the book. I will also send out review copies. 
Meaning of the word marked with <WSD> tags:  A busy, productive large or small work environment, populated by dedicated workers.