What were the names of all 11 books that Shel silverstien wrote?

actually there are 15 shel silverstien books: a light in the attic, where the sidewalk ends, the giving tree, everything on it, falling up, a giraffe and a half, the missing piece, runny babbit, the missing piece meets the big o, lafcadio, dont bump the glump, who wants a cheap rinocerous, uncle shelby's abz book, different dances, report from practicly nowhere