You can use PDF (portable document format) files to create ebooks on any subject imaginable. To create your own PDF file is usually quite simple. Just create a document in any major word processing ...

Most of us take PDF files for granted. Years ago, Adobe created a universal file format with their Acrobat software that produced documents which could be opened on PCs, Mac and Unix/Linux computers.

Do you have multiple PDFs you need to merge into one? Making one PDF out of many is easier than you might think on both Windows PCs and Macs. Here's how to do it on each platform. I've been writing ...