Exploiting Format String Vulnerabilities v1.2 – Includes over 30 pages of well organized information along with several examples.
You can download it from the following link: https://packetstormsecurity.com/files/download/25349/formatstring-1.2.tar.gz
Source: https://packetstormsecurity.com/files/25349/formatstring-1.2.tar.gz.html