From Adobe Acrobat to free online editors and built-in tools, here’s how to merge multiple PDFs into one document.

Step-by-step instructions for creating PDFs from any file type, including methods for merging, compressing and password-protecting PDF documents securely.

The mission of Bookmarks is to cultivate community by bringing people of all ages together with books and authors that ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...