it's an extension of the first verb: "she had finally cleaned out my room and [cleaned out] all those 'old and useless' books."

"throwed away" - LOL! Learn proper grammar before you pretend you know what you're talking about!

If you criricise someone's grammar, then use 'its soul' instead of 'it's soul', because the latter is not a possesive. Sincerely, a non-native speaker of English

and you really believe this person has acquired such books, 27 of them at that? If they had that kind of stuff, they wouldn't be living at home. And Antiques Roadshow? Really now, how many people bring in books to that show? And how many of those actually get on tv? You'll probably only see one or two books a season, one being a 17th century vellum atlas

Actually, I've seen quite a few books on that show over the years, and almost all of them have been of this century. As for the OP acquiring 27 of them, perhaps they were acquired from a relative, or a friend, or at a good deal (I purchased Fear and Loathing First Edition for a mere $100 when others of similar quality were going for the $400-500 range.) It happens. Also, the OP never stated anything about living with their mother, they merely state the mother cleaned the room.... I know of people whose parents have come to stay with them for a couple of days and 'tidied up the place' in return for the kindness of the person letting them stay there for the visit instead of getting a hotel. OR, the person's mother could be cleaning out their OLD room at their parent's house. I still have sentimental belongings at my parents' house and I haven't lived at home since i was 19, or 9 years. Still, my mother calls and asks about stuff if she would like to get rid of it. It's called courtesy.