Dictionary for avid readers

Found a strange word in a book? Does the old English in Shakespeare’s work puzzle you? The Bibliophile’s Dictionary might prove useful. This book has over 3,600 definitions of words. It also states how each word is used in the works of classic and contemporary authors. It not only has a alphabetical index, which makes it easy to look up a word, the book is also organized by theme. Amongst other places, you can buy it here.