9 books • 3 series
Field Guide to Sharks, Rays and Chimaeras of the East Coast of North America (Wild Nature Press)
Deep-sea Cartilaginous fishes of the Southeastern Pacific Ocean (FAO species catalogue for fishery purposes, #10)
Deep-sea cartilaginous fishes of the Indian Ocean (Deep-sea cartilaginous fishes of the Indian Ocean, no. 8. Vol. 1) (FAO species catalogue for fishery purposes, no. 8. Vol. 1)