>>28188good suggestion, here is my script for ripping chapters:
#!/bin/sh
IFS="\n"
b=`echo $1 | cut -d/ -f 1-3`
curl $1 |
for i in `grep 'var pages' | sed 's/.*var pages = \[//' | sed 's/];.*//' | tr -s '",{:' "\t" | tr '}' '`; do
a=`echo $i | cut -f 3`
wget -O "`echo $i | cut -f 5`.`echo $a | cut -d . -f 2`" $b/$a
done