Does anyone remember the name of a children's book where the children lived in the New York library?

I could be wrong about the details but it was something about the kids living in a library. I read it when I was a kid in the 80's.

Does anyone remember the name of a children's book where the children lived in the New York library?
If its about a museum not a library than its


From the Mixed-up Files of Mrs. Basil E. Frankweiler by E.L. Konigsburg


http://www.amazon.com/Mixed-up-Files-Mrs...





This newbery award winning book was also made into a tv movie in the 70s and later in th 90s


http://www.imdb.com/title/tt0113126/
Reply:Would you be thinking of "From the Mixed-Up Files of Mrs. Basil E. Frankweiler" by E L Konigsburg?





http://www.amazon.com/Mixed-Up-Files-Mrs...
Reply:I remember reading that, except, I think it was a arts museum. And they discover a statue by an anonymous artist is actually by Michelangelo. Cant remember the name of it tho.

frangipni