It is actually "Guia Roji". Yes, they have red on the cover but it is Roji and not Rojo or Roja or RoRoRoYourBoat.
Here is there website.
They are not the best and I have yet to find a map that truly shows what is on the ground. Roji is littered with errors especially when it comes to what is paved and what isn't, not to mention putting on roads that are not there and forgetting ones that are. Your best bet is to use a combination of a couple of sources and solicit local rider knowledge or at least talk to a taxi driver (you will find them everywhere, even 50 miles down a dirt road network, if there are people there are taxis and when you start to see taxis it is a sign of civilization) or talk to a Pemex attendant because they live in the area.
You will find the conversation fun, they will give you up to date info and likely a tip or two about maybe a nice little waterfall or lookout spot or something that you would normally miss all together. You won't really know what is there unless you put your wheels towards it and actually ride the area.