While our catalog contains hundreds of AVs, there are many topics that have no adequate presentations. Here is a list of ones that we believe to be most pressing. If you are looking to develop a new AV, you might consider one of the ones on this list.

1. B+ Trees: There are many reasonable AVs showing basic B Trees. But in reality, databases are built on B+ Trees, not B Trees. And I don't know of any good AVs that cover B+ Trees.