Andy Blackmore Designs, Nissan NISMO, Radio Le Mans, and DailySportsCar have worked together to provide an enhanced set of spotter guides for this year's race. They can be downloaded at the following link:
https://www.spotterguides.com/2013-wec/
DailySportsCar also has a "One Stop Guide" to the race which can be seen here: https://www.dailysportscar.com/?p=8229