Binary package “pdfjam” in ubuntu precise

collection of PDF document handling utilities

 PDFjam is a small collection of shell scripts that work similarly to
 the well known psutils (psmerge, psnup). They provide a simple
 interface to some of the functionality of the pdfpages package for
 pdfLaTeX. At present, the utilities available are pdfnup, pdfjoin, and
 pdf90. PDFjam depends on a working installation of (pdf)LaTeX.
 .
  - pdfnup puts multiple document pages together on one physical page at
    a reduced size
  - pdfjoin concatenates multiple PDF documents
  - pdf90 rotates the pages of PDF documents