author
Best known as the co-author of a 1920 guide to Scotland’s Northern Isles, this writer helped bring Orkney and Shetland to life for general readers. Very little biographical information seems to survive, which gives the work an added air of period curiosity.

by John George Flett Moodie Heddle, T. Mainland
T. Mainland is credited as the co-author of Orkney and Shetland, a book first published by Cambridge University Press in 1920 with J. G. F. Moodie Heddle. The book was written for a general audience and explores the geography, history, and character of the Northern Isles.
Beyond that publication credit, reliable biographical details about T. Mainland are hard to confirm from the sources available online. No clear, well-sourced profile turned up with basic facts such as a full name, life dates, or a documented personal history, so it is best to treat the author as a little-known figure known mainly through this collaborative work.
That obscurity does not lessen the book’s value. As a period guide, Orkney and Shetland still offers a useful snapshot of how these islands were described and understood in the early twentieth century.