By - from – In – up – at – on (a) I borrowed this book __ the library. (b) The index is __ the back of the book. (c) There are footnotes __ the bottom of the page. (d) I read it __ a book. (e) You'll have to look __ the meaning __ a dictionary. (f) 'Hamlet' is __ Shakespeare. (g) The librarian said the book was __ the top shelf.​