That would be a great size for a carry along - however it does seem to be orientated to EMS personnel. I think I shall hold off on my evaluation of tthat item until I can increase my training. It may be too detailed for a first aider - for example oxygen administration is only taught at the EMR and above levels.

I also did a quick Google - the first item I pulled up seemed to be very interesting:
http://firstaidandcpr.jbpub.com/pocketguides/
http://firstaidandcpr.jbpub.com/catalog/0763740322/