The following files contain the full English documentation for Vim and the Vim FAQ in a single PDF file. The files are fully cross referenced using internal hyperlinks. Each file is about 12 MB and 3000-3500 pages.

The automatic conversion script is based on the work of Carlo Teubner.

PDF download

US Letter Size

A4 Size

iPad Size

Automatic conversion script on GitHub

fedorenchik/vimhelppdf

A blog post with more information

Reproducing Vim help as a fully cross-referenced PDF