This free EPUB merger can combine and join multiple small EPUB ebooks into one big EPUB ebook, it combines all pages in the ebook one by one to create a large ebook, making it easier for you to share or read them. With this tool, you can read multiple books in one file. The order of the file combinations is the order in which you enter the files. Please make sure that each source ebook can be opened and viewed properly, and has a good file struct and directory. You need to select at least two files, the third and fourth files are optional.
If there are more than 4 files, select the first 4 files and create an output file, then use the previously output file as the first file and attach the others.