Look on ioffer.com there are diffrent pharmacology talking cd's for sale at good prices,Also there are some on ebay too. There are TONS of good links on the Pharmacy Tech Certification Board's offical site wich is either ptcb.org or ptcb.com. Look under the link section. There are many free links. Also there is a ptcb study group on yahoo that has lots of usefull info too.