Those of you who know Mark Avery no doubt already know of his work in conservation – both of species as well as habitats. His “A Message from Martha; the Extinction of the Passenger Pigeon and Its Relevance Today” remains one of the best books available on the subject, and his “Inglorious; Conflict in the Uplands” is a superbly aimed broadside against the sheer waste and abuse of the uplands for the benefit of a very small number of grouse shooting enthusiasts.