PDF Split Or Merge is a Freeware
Version 1.2 is now available

Insert blank pages to your PDF books in seconds !

PDF Add Pages is a powerful utility that you can use to add one or more empty pages to your PDF documents. You can also write some internal text to the empty pages, and specify other settings for it. PDF Add Pages is designed for novice PDF users. It just takes four simple steps to finish the job in seconds.