| 01 Moray Press (Edinburg) | 02 Ward Lock (London) | 03 Hodder & Stoughton (London) |
| 04 Brockhampton Press, Leicester | 05 Blackie & Son (London) | 06 Collins (London) |
| 07 Thomas Nelson (London) | 08 Dobson (London) | 09 Oliver & Boyd (Edinburgh) |
| 10 Methven Press (Edfinburgh) | 11 Richard Drew (Glasgow) | 12 Robert Hale (London) |
| 13 The Scotsman (Edinburgh) | 14 Macdonald Publ (Loanhead) | 15 Historical Times (Harrisburg) |
| 16 Routledge & Keegan Paul(London) | 17 Lochar (Moffat) | 18 Neil Wilson, Glasgow | 19 B&W Publishing, Edinburgh |
| Nbr | | Publ | Date | ||
| 001 | Trespass | 01 | 1937 | Romance in the prewar Highlands; introduction to David Scott and Margaret Tweedie |
|
| 002 | Mammon's Daughter | 02 | 1939 | Yorkshire laird tries to bring modernization to the Highlander's way of life. | |
| 003 | Harsh Heritage | 02 | 1940 | Story of the Highland Clearances in 1817 | |
| 004 | Eagle's Feathers | 02 | 1941 | ||
| 005 | Watershed | 02 | 1941 | Pre-WWII Scotland | |
| 006 | The Gilded Fleece | 02 | 1942 | Clearances of early 1800s | |
| 007 | Delayed Action | 02 | 1944 | WWII Scotland's Home Guard | |
| 008 | Tinker's Pride | 02 | 1945 | Highlands | |
| 009 | Flight of Dutchmen | 02 | 1946 | Duck hunting in England and smugglers | |
| 010 | Man's Estate | 02 | 1947 | Return of NZ emigrant to Scotland | |
| 011 | Island Twilight | 02 | 1947 | Religious fervor in the Hebrides in Napoleonic era | |
| 012 | Root and Branch | 02 | 1948 | ||
| 013 | Colours Flying | 02 | 1948 | David Scott gets entangled with the Scottish independence campaign. | |
| 014 | The Chosen Course | 02 | 1949 | Highlands of the late 1940s | |
| 015 | Fair Game | 02 | 1950 | ||
| 016 | High Spirits | 06 | 1950 | Ardnamurchan in late 1940s | |
| 017 | The Freebooters | 02 | 1950 | Glasgow patriots rescue the Stone of Destiny | |
| 018 | Tidewrack | 02 | 1951 | Aberlady Bay murder mystery | |
| 019 | Fast and Loose | 02 | 1951 | Highlands of 17th Century | |
| 020 | Bridal Path | 02 | 1952 | Islander seeks wife; humorous | |
| 021 | Cheviot Chase | 02 | 1952 | Border country in the 1950s | |
| 022 | Ducks and Drakes | 02 | 1953 | Hunters vs birdwatchers; funny |
|
| 023 | The Queen's Grace | 02 | 1953 | Queen of Scots & the Gordons | |
| 024 | Rum Week | 02 | 1954 | Hollywood in the Hebrides | |
| 025 | The Night Riders | 02 | 1954 | Borders raiders | |
| 026 | There Are Worse Jungles | 02 | 1955 | South American jungle adventure | |
| 027 | Rio D'Oro | 02 | 1955 | More SA jungleadventure | |
| 028 | The Long Coffin | 02 | 1956 | Scot rail engineer in Bolivia | |
| 029 | MacGregor's Gathering | 03 | 1957 | Early exploits of Rob Roy; first historical novel | |
| 030 | The Enduring Flame | 03 | 1957 | Modern Arabia | |
| 031 | Balefire | 03 | 1958 | Post Flodden Scotland | |
| 032 | The Stone | 03 | 1958 | Liberation of Liath Fail | |
| 033 | Man Behind the Curtain | 03 | 1959 | Baltic islands in 1950s | |
| 034 | The Clansman | 03 | 1959 | Further exploits of Rob Roy | |
| 035 | Spanish Galleon | 03 | 1960 | Post Armada Hebrides | |
| 036 | The Flock Masters | 03 | 1960 | Wester Ross in 19th century | |
| 037 | Kettle of Fish | 03 | 1961 | Salmon fishing on the Tweed | |
| 038 | The Master of Gray | 03 | 1961 | Gray Trilogy 1 -- Early reign of James VI | |
| 039 | Drug On The Market | 03 | 1962 | The discovery of an Indian hemp smuggling ring in Aberlady Bay. | |
| 040 | Gold For Prince Charlie | 03 | 1962 | Arkaig Treasure mystery; third of MacGregor trilogy | |
| 041 | The Courtesan | 03 | 1963 | Gray Tril 2 - James VI comes of age | |
| 042 | Chain of Destiny | 03 | 1964 | James IV and Battle of Flodden | |
| 043 | Past Master | 03 | 1965 | Gray Trilogy 3 - Campaign to bring James to English throne succeeds | |
| 044 | Stake in the Kingdom | 03 | 1966 | Early years of James V | |
| 045 | Lion Let Loose | 03 | 1967 | James I after captivity | |
| 045 | Lion Let Loose | 03 | 1967 | James Iafter captivity |
|
| 046 | Cable From Kabul | 03 | 1967 | Asian adventures |
|
| 047 | Black Douglas | 03 | 1968 | James II fight with Douglas |
|
| 048 | The Steps To The Empty Throne | 03 | 1969 | Bruce Tril 1 - War of Independence, 1296-1306 |
|
| 049 | The Path of the Hero King | 03 | 1970 | Bruce Tril 2 - War of Independence, 1306-1314 |
|
| 050 | The Price of the King's Peace | 03 | 1971 | Bruce Tril 3 - War of Independence, 1314-1328 |
|
| 051 | Young Montrose | 03 | 1972 | Charles I - The Covenants; early campaigns of Civil war |
|
| 052 | Montrose Captain-General | 03 | 1973 | Charles I/II - later campaigns ; execution of Charles I |
|
| 053 | The Wisest Fool | 03 | 1974 | Early reign of James VI in England |
|
| 054 | The Wallace | 03 | 1975 | Inter-regnum, English occupation; onset of war of independence |
|
| 055 | Lords of Misrule | 03 | 1976 | King Roberts II/III |
|
| 056 | A Folly of Princes | 03 | 1977 | Robert III /clan battle at Perth |
|
| 057 | The Captive Crown | 03 | 1977 | Robert III/James I |
|
| 058 | Macbeth The King | 03 | 1978 | mid 11c - first Celtic twilight |
|
| 059 | Margaret The Queen | 03 | 1979 | late 11c, Malcolm Canmore |
|
| 060 | David The Prince | 03 | 1980 | late 11c - early 12c, reigns of Margaret's sons to David I |
|
| 061 | True Thomas | 03 | 1981 | Thomas the Rhymer/Alexander III |
|
| 062 | The Patriot | 03 | 1982 | Andrew Fletcher vs Union of Parliaments |
|
| 063 | Lord of the Isles | 03 | 1983 | Early 12c, Somerled vs vikings |
|
| 064 | Unicorn Rampant | 03 | 1984 | James VI returns to Scotland in 1617 |
|
| 065 | The Riven Realm | 03 | 1984 | James V Trilogy 1-- early years |
|
| 066 | James By The Grace of God | 03 | 1985 | James V Trilogy 2 -- youth |
|
| 067 | Rough Wooing | 03 | 1986 | James V Trilogy 3 -- final years |
|
| 068 | Columba | 03 | 1987 | 6th C. Christianity in Highlands |
|
| 069 | Cache Down | 13 | 1987 | Drug smugglers in modern Andorra |
|
| 070 | Flowers of Chivalry | 03 | 1987 | David II, 14th century |
|
| 071 | Mail Royal | 03 | 1989 | James VI and casket letters |
|
| 072 | Warden of the Queen's March | 03 | 1989 | Thomas Kerr of Ferniehirst, Mary's protector |
|
| 073 | Kenneth | 03 | 1990 | Kenneth MacAlpine, 9th C |
|
| 074 | Crusader | 03 | 1991 | Sir David Lindsay & Alexander III |
|
| 075 | Children of the Mist | 03 | 1992 | Campbells vs MacGregors |
|
| 076 | Druid Sacrifice | 03 | 1993 | Thanea, mother of St Mungo |
|
| 077 | Tapestry of the Boar | 03 | 1993 | Feats in Malcolm IVšs reign and Shetland for Scotland |
|
| 078 | Price of a Princess | 03 | 1994 | Sequel to Princess; story of the rise and fall of the Boyds |
|
| 079 | Lord in Waiting | 03 | 1994 | Sequel to Princess; story of the rise and fall of the Boyds |
|
| 080 | Highness in Hiding | 03 | 1995 | Prince Charlie in the Heather after Culloden |
|
| 081 | Honours Even | 03 | 1995 | Saving Honours from Cromwell |
|
| 082 | Rage of Regents | 03 | 1996 | Regents of James VIšs minority |
|
| 083 | Poetic Justice | 03 | 1996 | Alexander of Menstriešs rise |
|
| 084 | The Marchman | 03 | 1997 | Warden of the West March |
|
| 084 | The Lions Whelp | 03 | 1997 | Reign of James II |
|
| 085 | High Kings and Vikings | 03 | 1998 | 10th C. Adventure |
|
| 086 | A Flame for the Fire | 03 | 1998 | Flaming Janet Kennedy, mistress to James IV |
|
| 087 | Sword of State | 03 | 1999 | Story of Patrick, Earl of Dunbar and March in reign of Alexander II; first of a quadrilogy |
|
| 088 | Envoy Extraordinary | 03 | 1999 | Sequel to Sword of State; further adventures of Patrick in the reign of Alexander II |
|
| 089 | Courting Favour | 03 | 2000 | Third of the quadrilogy |
|
| 090 | End of the Line | 03 | 2000 | Fourth of the quadrilogy |
|
| 091 | The Admiral | 03 | 2001 | Founder of Scotland's Navy | |
| 092 | Tripple Alliance | 03 | 2001 | Foundation of the woolen industry after Cromwell | |
| 093 | Right Royal Friend | 03 | 2002 | Jamie Saxt and friends have fun | |
| 094 | The Isleman | 03 | 2003 | Story of Angus Og and his suppoert of the Bruce | |
| 095 | Marie and Mary | 03 | 2004 | Tale of other and daughter in 16th cntury intrigues |
|
| 096 | Hope Endures | 03 | 2005 | Life of Thomas Hope in 17th century Scotland |
| C1 | Spaniard's Isle | 04 | 1958 | Ken & Fiona seek sunken Treasure on Mull |
| C2 | Border Riding | 04 | 1959 |
|
| C3 | Nestor of the Monster | 04 | 1960 | Ken & Fiona hunt for Nessie |
| C4 | Birds of a Feather | 04 | 1961 |
|
| C5 | The Deer Poachers | 05 | 1961 |
|
| C6 | Something Very Fishy | 06 | 1962 |
|
| C7 | Give a Dog a Bad Name | 06 | 1963 |
|
| C8 | Silver Island | 07 | 1964 | Nick and Peter discover and stop the stealing of lead sheeting from Ardencraig Castle | .
| C9 | Pursuit | 06 | 1965 |
|
| CA | Fire and High Water | 06 | 1967 | US title: Smoke Across the Highlands |
| CB | Tinker Tess | 08 | 1967 | Dog and two children find |
| CC | To the Rescue | 08 | 1968 | adventure on Aberlady Bay |
| N1 | The Fortalices and Early Mansions of Southern Scotland, 1400-1650 | 01 | 1935 | Author's first book describes >a number of historical homes |
The Fortified House in Scotland Series; republished by 10 in 1984
| N2 | Vol I South-east Scotland | 09 | 1962 |
|
| N3 | Vol II Central Scotland | 09 | 1963 | An exhaustive descripion of the |
| N4 | Vol III Southwest Scotland | 09 | 1965 | Surviving fortified houses of Scotland by region |
| N5 | Vol IV Aberdeen, Angus and Kincardineshire | 09 | 1966 | |
| N6 | Vol V North and West Scotland | 09 | 11970 |
| N7 | Pegasus Book of Scotland | 08 | 1964 | Broad overview of Scotland |
| N8 | Outlaw of the Highlands - Rob Roy | 08 | 1965 | Non-fictional analysis of the Rob Roy enigma |
| N9 | Land of the Scots | 03 | 1968 | Region-by-region description of Scotland |
The Queen's Scotland Series
| N10 | The Heartland | 03 | 1971 | Clackmanan, Perth & Stirling |
| N11 | The Eastern Counties | 03 | 1972 | Aberdeenshire, Angus and Kincardine |
| N12 | The Northeast | 03 | 1974 | Banff, Nairn, Eastern Inverness |
| N13 | Argyll and Bute | 03 | 1977 |
| N14 | Portrait of the Border Country | 12 | 1972 | Description of the Borders region of Scotland |
| N15 | Portrait of the Lothians | 12 | 1979 | History and lore of the Lothian shires |
| N16 | Nigel Tranter's Scotland, A Very Personal View | 11 | 1981 | Autobiography of author's non-writing activities |
| N17 | Scottish Castles: Tales and Traditions | 14 | 1982 | Lore of fifty Scottish Castles; republished by 16 in 1984 |
| N18 | Travellers' Guide to the Land of Robert the Bruce | 16 | 1985 | Travel guide to places associated with the War of Independence (with Michael Cyprien) US edition published by 15 |
| N19 | The Story of Scotland | 16 | 1987 | Unifying framework for periods not dealt with in novels |
| N20 | Footbridge to Enchantment | 17 | 1992 | Author's description of natural wonders of the places where he writes |
| T1 | Thirsty Range | 02 | 1950 | Novels with a theme of action in the western USA |
| T2 | Heartbreak Valley | 02 | 1951 | |
| T3 | The Big Corral | 02 | 1952 | |
| T4 | Trail Herd | 02 | 1952 | |
| T5 | Desert Doublecross | 02 | 1953 | |
| T6 | Cloven Hooves | 02 | 1954 | |
| T7 | Dynamite Trail | 02 | 1955 | |
| T8 | Rancher Renegade | 02 | 1956 | |
| T9 | Trailing Trouble | 02 | 1957 | |
| T10 | Death Reckoning | 02 | 1957 | |
| T11 | Bloodstone Trail | 02 | 1958 |