I have some comic books (cbr/cbz) files that I have added to eLibrary Manager. However I can not open them. I followed the instructions for the mimetype and created the mimetype.txt file and placed it at /Android/data/kpw.ebook/files/mimetype/ however I still get the error message unable to find external reader application for this book. The entries I made are cbr=/application/x-cbr and cbz=/application/x-cbz however I still get the error. I have a default comic book reader that I am able to open the files direct from my nook HD +. So not sure what else I would need to do.