The files below are in MP3 format. They should play on whatever player is available on your computer.
If you can not open these files download iTunes for free from http://www.apple.com/itunes/download/ for either the Mac or PC
or
Windows Media Player for free from http://www.microsoft.com/windows/windowsmedia/download/AllDownloads.aspx?displang=en&qstechnology=
for either the Mac or PC
The Vocabulary and Activities worksheets will open with either Adobe Reader on a PCor Preview on a Mac