Most Popular Books
- George Gissing: A Biography
- Huxley at Work: With the Scientific Correspondence of T. H. Huxley and the Rev. Dr George Gordon of Birnie, Near Elgin
- Science on Four Wheels: The Travels of Roderick Murchison (1840-45)
- Murchison in Moray: A Geologist on Home Ground : With the Correspondence of Roderick Impey Murchison and the Rev. Dr. George Gordon of Birnie (Transactions of the American Philosophical Society)
- Huxley at Work
