The book I have is lime green. (But maybe considered yellow?) Recirculating Aquaculture 2nd. edition. Has a tilapia and half a crayfish and Q1 C2 - Q1 C1= Px on the cover. Got it for a song from one of his attendees of his class that he charges an arm and a leg for. I think it was over their head. LOL

If pigs could fly bacon would be harder to come by and there would be a lot of damaged trees.