Here you've got the link to download units 1 &2 of my book ENGLISH FOR FREE 1. If you want to have a look at it, download it, unzip it and double click on the file index.html that you will see inside the main folder.
https://docs.google.com/open?id=0B-hVHzApg_YkenZPXzRKOEY5aGM
Javier García
