Links
JasperReports
iReport Designer
Apache Tomcat
Books
This is just a random list of books that I have found regarding Jasper Reports and the iReport Designer. They are not endorsed by me in any way. See for yourself ;).
Jasperreports 3.5 for Java Developers
Jasperreports: Reporting for Java Developers
The Definitive Guide to JasperReports (Expert's Voice)
The Definitive Guide to iReport (Expert's Voice)