[jimkri]

There are tons of books on Data Structures, a lot of them are super interesting too. You can Google data structures and algorithm books, and you will get a crazy amount. I have a good amount because I just finished the class in school. One of the books I like is Introduction to Algorithms, 3rd Edition. There's also a lot of college's that have the course and all of their assignments are online if you wanted to do them. They are super interesting, like binary search trees are cool, hash tables and the hash functions, linked list, graphs and the algorithms that go along with them. Are so interesting and once you know them they can lead to so much stuff, its exciting.