I love this app but it doesnt seem to work on iOS5

This app is really invaluable for a working geologist. It is the book and then book is wonderful. Everyone should have it.
However, I just got my iPhone 4S with iOS5, and although I can get the splash screen, the app does not load. If you go to the support link and search for "support", there are no matches. Hence my note here. I miss it!

W_G about Glossary of Geology