You’ve found an ebook you need, downloaded the EPUB, tried to open it, but your viewer won’t display it properly. Or maybe at all. You might assume it’s the viewer, and try something else, but the problem could also be the file. A converter or publishing program might save something with an EPUB extension, but that doesn’t necessarily mean it’ll be a valid EPUB file. Pagina EPUB-Checker can offer some clues by scanning EPUB ebooks for internal errors, and displaying any problems it finds. The program is very convenient to use, just a single portable executable. Drag and drop your… [Continue Reading]