This is an interesting, well written, and useful book—but will not sell many copies. Regrettably it seems pitched at various different audiences and thus I suspect it will not greatly appeal to any particular group. Nevertheless I would thoroughly recommend this book. It contains some excellent descriptions of complex subjects and should be of considerable interest to all practitioners working within the field of multiple sclerosis.

The first part provides an overview of genetics. The first chapter is entitled “What the specialist in …