====== Create PDF from Select Pages ======
  * requires pdftk
  * Join in1.pdf and in2.pdf into a new PDF, out1.pdf<code>
  pdftk in1.pdf in2.pdf cat output out1.pdf

  or (using handles):

  pdftk A=in1.pdf B=in2.pdf cat A B output out1.pdf

  or (using wildcards):

  pdftk *.pdf cat output combined.pdf
</code>
  * Remove 'page 13' from in1.pdf to create out1.pdf<code>
  pdftk in.pdf cat 1-12 14-end output out1.pdf

  or:

  pdftk A=in1.pdf cat A1-12 A14-end output out1.pdf
</code>